input
stringlengths
6
12
target
stringlengths
117
294
9890+4499 =
< scratch > [9, 8, 9, 0] has 4 digits. [4, 4, 9, 9] has 4 digits. [0] + [9] , C = 0, 0 + 9 + 0 = 9, A ->9, C -> 0 [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 3 8 9.
3405+699 =
< scratch > [3, 4, 0, 5] has 4 digits. [6, 9, 9] has 3 digits. [5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [4] + [6] , C = 1, 4 + 6 + 1 = 11, A ->1, C -> 1 [3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 1 0 4.
7979+79 =
< scratch > [7, 9, 7, 9] has 4 digits. [7, 9] has 2 digits. [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 [7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 [7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 0 5 8.
5970+7577 =
< scratch > [5, 9, 7, 0] has 4 digits. [7, 5, 7, 7] has 4 digits. [0] + [7] , C = 0, 0 + 7 + 0 = 7, A ->7, C -> 0 [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1 [9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 5 4 7.
578+3653 =
< scratch > [5, 7, 8] has 3 digits. [3, 6, 5, 3] has 4 digits. [8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 [5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1 [0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 2 3 1.
583+2757 =
< scratch > [5, 8, 3] has 3 digits. [2, 7, 5, 7] has 4 digits. [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 3 4 0.
4996+3957 =
< scratch > [4, 9, 9, 6] has 4 digits. [3, 9, 5, 7] has 4 digits. [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [4] + [3] , C = 0, 4 + 3 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 9 5 3.
37+978 =
< scratch > [3, 7] has 2 digits. [9, 7, 8] has 3 digits. [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 1 5.
7949+59 =
< scratch > [7, 9, 4, 9] has 4 digits. [5, 9] has 2 digits. [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 [7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 0 0 8.
8788+484 =
< scratch > [8, 7, 8, 8] has 4 digits. [4, 8, 4] has 3 digits. [8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1 [8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 [8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 2 7 2.
1682+3869 =
< scratch > [1, 6, 8, 2] has 4 digits. [3, 8, 6, 9] has 4 digits. [2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [1] + [3] , C = 0, 1 + 3 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 5 5 1.
79+6952 =
< scratch > [7, 9] has 2 digits. [6, 9, 5, 2] has 4 digits. [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 0 3 1.
956+67 =
< scratch > [9, 5, 6] has 3 digits. [6, 7] has 2 digits. [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 2 3.
91+8999 =
< scratch > [9, 1] has 2 digits. [8, 9, 9, 9] has 4 digits. [1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 0 9 0.
3296+824 =
< scratch > [3, 2, 9, 6] has 4 digits. [8, 2, 4] has 3 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 1 2 0.
7689+9368 =
< scratch > [7, 6, 8, 9] has 4 digits. [9, 3, 6, 8] has 4 digits. [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 [6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 </ scratch > sum:1 7 0 5 7.
4271+849 =
< scratch > [4, 2, 7, 1] has 4 digits. [8, 4, 9] has 3 digits. [1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 1 2 0.
974+97 =
< scratch > [9, 7, 4] has 3 digits. [9, 7] has 2 digits. [4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 7 1.
4423+8995 =
< scratch > [4, 4, 2, 3] has 4 digits. [8, 9, 9, 5] has 4 digits. [3] + [5] , C = 0, 3 + 5 + 0 = 8, A ->8, C -> 0 [2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 [4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 4 1 8.
7489+556 =
< scratch > [7, 4, 8, 9] has 4 digits. [5, 5, 6] has 3 digits. [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 [7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 0 4 5.
573+957 =
< scratch > [5, 7, 3] has 3 digits. [9, 5, 7] has 3 digits. [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 3 0.
6577+749 =
< scratch > [6, 5, 7, 7] has 4 digits. [7, 4, 9] has 3 digits. [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 3 2 6.
876+6969 =
< scratch > [8, 7, 6] has 3 digits. [6, 9, 6, 9] has 4 digits. [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 [7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 8 4 5.
197+9934 =
< scratch > [1, 9, 7] has 3 digits. [9, 9, 3, 4] has 4 digits. [7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1 [9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1 [1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 1 3 1.
1988+5995 =
< scratch > [1, 9, 8, 8] has 4 digits. [5, 9, 9, 5] has 4 digits. [8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [1] + [5] , C = 0, 1 + 5 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 9 8 3.
652+768 =
< scratch > [6, 5, 2] has 3 digits. [7, 6, 8] has 3 digits. [2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1 [5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1 [6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 2 0.
4725+5289 =
< scratch > [4, 7, 2, 5] has 4 digits. [5, 2, 8, 9] has 4 digits. [5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 1 4.
5657+8625 =
< scratch > [5, 6, 5, 7] has 4 digits. [8, 6, 2, 5] has 4 digits. [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 [5] + [2] , C = 0, 5 + 2 + 0 = 8, A ->8, C -> 0 [6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 2 8 2.
5677+894 =
< scratch > [5, 6, 7, 7] has 4 digits. [8, 9, 4] has 3 digits. [7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 5 7 1.
384+749 =
< scratch > [3, 8, 4] has 3 digits. [7, 4, 9] has 3 digits. [4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 3 3.
659+6958 =
< scratch > [6, 5, 9] has 3 digits. [6, 9, 5, 8] has 4 digits. [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 [6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 6 1 7.
2563+2968 =
< scratch > [2, 5, 6, 3] has 4 digits. [2, 9, 6, 8] has 4 digits. [3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 [2] + [2] , C = 0, 2 + 2 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 5 3 1.
2198+873 =
< scratch > [2, 1, 9, 8] has 4 digits. [8, 7, 3] has 3 digits. [8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 [2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 0 7 1.
9783+6843 =
< scratch > [9, 7, 8, 3] has 4 digits. [6, 8, 4, 3] has 4 digits. [3] + [3] , C = 0, 3 + 3 + 0 = 6, A ->6, C -> 0 [8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 </ scratch > sum:1 6 6 2 6.
628+1489 =
< scratch > [6, 2, 8] has 3 digits. [1, 4, 8, 9] has 4 digits. [8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 1 1 7.
996+44 =
< scratch > [9, 9, 6] has 3 digits. [4, 4] has 2 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 4 0.
9707+859 =
< scratch > [9, 7, 0, 7] has 4 digits. [8, 5, 9] has 3 digits. [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0 [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 6 6.
9596+8224 =
< scratch > [9, 5, 9, 6] has 4 digits. [8, 2, 2, 4] has 4 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1 [5] + [2] , C = 0, 5 + 2 + 0 = 8, A ->8, C -> 0 [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 </ scratch > sum:1 7 8 2 0.
1956+8988 =
< scratch > [1, 9, 5, 6] has 4 digits. [8, 9, 8, 8] has 4 digits. [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 9 4 4.
3397+897 =
< scratch > [3, 3, 9, 7] has 4 digits. [8, 9, 7] has 3 digits. [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 [3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 2 9 4.
86+964 =
< scratch > [8, 6] has 2 digits. [9, 6, 4] has 3 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 0.
5593+2428 =
< scratch > [5, 5, 9, 3] has 4 digits. [2, 4, 2, 8] has 4 digits. [3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1 [9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1 [5] + [4] , C = 1, 5 + 4 + 1 = 10, A ->0, C -> 1 [5] + [2] , C = 0, 5 + 2 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 0 2 1.
9882+859 =
< scratch > [9, 8, 8, 2] has 4 digits. [8, 5, 9] has 3 digits. [2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 7 4 1.
2288+795 =
< scratch > [2, 2, 8, 8] has 4 digits. [7, 9, 5] has 3 digits. [8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 [2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1 [2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 0 8 3.
588+663 =
< scratch > [5, 8, 8] has 3 digits. [6, 6, 3] has 3 digits. [8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 [5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 5 1.
7874+637 =
< scratch > [7, 8, 7, 4] has 4 digits. [6, 3, 7] has 3 digits. [4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 [7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 5 1 1.
3453+3778 =
< scratch > [3, 4, 5, 3] has 4 digits. [3, 7, 7, 8] has 4 digits. [3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 [3] + [3] , C = 0, 3 + 3 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 2 3 1.
8769+8625 =
< scratch > [8, 7, 6, 9] has 4 digits. [8, 6, 2, 5] has 4 digits. [9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1 [6] + [2] , C = 0, 6 + 2 + 0 = 9, A ->9, C -> 0 [7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, C -> 1 [8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1 </ scratch > sum:1 7 3 9 4.
4967+5583 =
< scratch > [4, 9, 6, 7] has 4 digits. [5, 5, 8, 3] has 4 digits. [7] + [3] , C = 1, 7 + 3 + 1 = 10, A ->0, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 5 0.
653+9739 =
< scratch > [6, 5, 3] has 3 digits. [9, 7, 3, 9] has 4 digits. [3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1 [5] + [3] , C = 0, 5 + 3 + 0 = 9, A ->9, C -> 0 [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 9 2.
3586+3546 =
< scratch > [3, 5, 8, 6] has 4 digits. [3, 5, 4, 6] has 4 digits. [6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 [3] + [3] , C = 0, 3 + 3 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 1 3 2.
8857+4069 =
< scratch > [8, 8, 5, 7] has 4 digits. [4, 0, 6, 9] has 4 digits. [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1 [8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0 [8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 9 2 6.
9656+728 =
< scratch > [9, 6, 5, 6] has 4 digits. [7, 2, 8] has 3 digits. [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [5] + [2] , C = 0, 5 + 2 + 0 = 8, A ->8, C -> 0 [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 8 4.
865+5599 =
< scratch > [8, 6, 5] has 3 digits. [5, 5, 9, 9] has 4 digits. [5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1 [6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 4 6 4.
9381+842 =
< scratch > [9, 3, 8, 1] has 4 digits. [8, 4, 2] has 3 digits. [1] + [2] , C = 0, 1 + 2 + 0 = 3, A ->3, C -> 0 [8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 2 2 3.
3728+389 =
< scratch > [3, 7, 2, 8] has 4 digits. [3, 8, 9] has 3 digits. [8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1 [3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 1 1 7.
9099+7448 =
< scratch > [9, 0, 9, 9] has 4 digits. [7, 4, 4, 8] has 4 digits. [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1 [0] + [4] , C = 0, 0 + 4 + 0 = 5, A ->5, C -> 0 [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 </ scratch > sum:1 6 5 4 7.
986+135 =
< scratch > [9, 8, 6] has 3 digits. [1, 3, 5] has 3 digits. [6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 2 1.
467+5887 =
< scratch > [4, 6, 7] has 3 digits. [5, 8, 8, 7] has 4 digits. [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1 [0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 3 5 4.
796+405 =
< scratch > [7, 9, 6] has 3 digits. [4, 0, 5] has 3 digits. [6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 0 1.
762+7448 =
< scratch > [7, 6, 2] has 3 digits. [7, 4, 4, 8] has 4 digits. [2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 2 1 0.
2975+9852 =
< scratch > [2, 9, 7, 5] has 4 digits. [9, 8, 5, 2] has 4 digits. [5] + [2] , C = 0, 5 + 2 + 0 = 7, A ->7, C -> 0 [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 [2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 8 2 7.
6782+298 =
< scratch > [6, 7, 8, 2] has 4 digits. [2, 9, 8] has 3 digits. [2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 0 8 0.
6766+339 =
< scratch > [6, 7, 6, 6] has 4 digits. [3, 3, 9] has 3 digits. [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 [6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 1 0 5.
7398+1613 =
< scratch > [7, 3, 9, 8] has 4 digits. [1, 6, 1, 3] has 4 digits. [8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1 [7] + [1] , C = 0, 7 + 1 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 0 1 1.
864+2939 =
< scratch > [8, 6, 4] has 3 digits. [2, 9, 3, 9] has 4 digits. [4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1 [6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 8 0 3.
4858+7436 =
< scratch > [4, 8, 5, 8] has 4 digits. [7, 4, 3, 6] has 4 digits. [8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, C -> 1 [5] + [3] , C = 0, 5 + 3 + 0 = 9, A ->9, C -> 0 [8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 2 9 4.
5997+423 =
< scratch > [5, 9, 9, 7] has 4 digits. [4, 2, 3] has 3 digits. [7] + [3] , C = 1, 7 + 3 + 1 = 10, A ->0, C -> 1 [9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1 [9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1 [5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 4 2 0.
6739+598 =
< scratch > [6, 7, 3, 9] has 4 digits. [5, 9, 8] has 3 digits. [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 3 3 7.
64+1979 =
< scratch > [6, 4] has 2 digits. [1, 9, 7, 9] has 4 digits. [4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1 [6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 0 4 3.
3253+849 =
< scratch > [3, 2, 5, 3] has 4 digits. [8, 4, 9] has 3 digits. [3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1 [5] + [4] , C = 1, 5 + 4 + 1 = 10, A ->0, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 1 0 2.
969+37 =
< scratch > [9, 6, 9] has 3 digits. [3, 7] has 2 digits. [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 [6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 6.
979+28 =
< scratch > [9, 7, 9] has 3 digits. [2, 8] has 2 digits. [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 7.
577+9586 =
< scratch > [5, 7, 7] has 3 digits. [9, 5, 8, 6] has 4 digits. [7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 1 6 3.
7847+8069 =
< scratch > [7, 8, 4, 7] has 4 digits. [8, 0, 6, 9] has 4 digits. [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [4] + [6] , C = 1, 4 + 6 + 1 = 11, A ->1, C -> 1 [8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0 [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 9 1 6.
79+4998 =
< scratch > [7, 9] has 2 digits. [4, 9, 9, 8] has 4 digits. [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [0] + [4] , C = 0, 0 + 4 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 0 7 7.
9666+871 =
< scratch > [9, 6, 6, 6] has 4 digits. [8, 7, 1] has 3 digits. [6] + [1] , C = 0, 6 + 1 + 0 = 7, A ->7, C -> 0 [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 3 7.
3349+999 =
< scratch > [3, 3, 4, 9] has 4 digits. [9, 9, 9] has 3 digits. [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 [3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 3 4 8.
896+2425 =
< scratch > [8, 9, 6] has 3 digits. [2, 4, 2, 5] has 4 digits. [6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1 [9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 3 2 1.
7755+555 =
< scratch > [7, 7, 5, 5] has 4 digits. [5, 5, 5] has 3 digits. [5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 [7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 3 1 0.
2974+648 =
< scratch > [2, 9, 7, 4] has 4 digits. [6, 4, 8] has 3 digits. [4] + [8] , C = 1, 4 + 8 + 1 = 12, A ->2, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 [2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 6 2 2.
6677+4046 =
< scratch > [6, 6, 7, 7] has 4 digits. [4, 0, 4, 6] has 4 digits. [7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 7 2 3.
6876+2426 =
< scratch > [6, 8, 7, 6] has 4 digits. [2, 4, 2, 6] has 4 digits. [6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [6] + [2] , C = 0, 6 + 2 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 3 0 2.
5961+7759 =
< scratch > [5, 9, 6, 1] has 4 digits. [7, 7, 5, 9] has 4 digits. [1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1 [6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 7 2 0.
46+974 =
< scratch > [4, 6] has 2 digits. [9, 7, 4] has 3 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 2 0.
877+239 =
< scratch > [8, 7, 7] has 3 digits. [2, 3, 9] has 3 digits. [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 1 6.
3373+2777 =
< scratch > [3, 3, 7, 3] has 4 digits. [2, 7, 7, 7] has 4 digits. [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 [3] + [2] , C = 0, 3 + 2 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 1 5 0.
3959+8949 =
< scratch > [3, 9, 5, 9] has 4 digits. [8, 9, 4, 9] has 4 digits. [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 [5] + [4] , C = 1, 5 + 4 + 1 = 10, A ->0, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 9 0 8.
6751+3787 =
< scratch > [6, 7, 5, 1] has 4 digits. [3, 7, 8, 7] has 4 digits. [1] + [7] , C = 0, 1 + 7 + 0 = 8, A ->8, C -> 0 [5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1 [7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1 [6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 3 8.
4983+4789 =
< scratch > [4, 9, 8, 3] has 4 digits. [4, 7, 8, 9] has 4 digits. [3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1 [8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 [4] + [4] , C = 0, 4 + 4 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 7 7 2.
942+78 =
< scratch > [9, 4, 2] has 3 digits. [7, 8] has 2 digits. [2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 2 0.
168+963 =
< scratch > [1, 6, 8] has 3 digits. [9, 6, 3] has 3 digits. [8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 3 1.
796+3818 =
< scratch > [7, 9, 6] has 3 digits. [3, 8, 1, 8] has 4 digits. [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 [0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 6 1 4.
177+6853 =
< scratch > [1, 7, 7] has 3 digits. [6, 8, 5, 3] has 4 digits. [7] + [3] , C = 1, 7 + 3 + 1 = 10, A ->0, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 0 3 0.
2259+748 =
< scratch > [2, 2, 5, 9] has 4 digits. [7, 4, 8] has 3 digits. [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [5] + [4] , C = 1, 5 + 4 + 1 = 10, A ->0, C -> 1 [2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1 [2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 0 0 7.
615+485 =
< scratch > [6, 1, 5] has 3 digits. [4, 8, 5] has 3 digits. [5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 0 0.
688+2392 =
< scratch > [6, 8, 8] has 3 digits. [2, 3, 9, 2] has 4 digits. [8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 [6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 0 8 0.
1978+477 =
< scratch > [1, 9, 7, 8] has 4 digits. [4, 7, 7] has 3 digits. [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1 [9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1 [1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 4 5 5.
2742+8978 =
< scratch > [2, 7, 4, 2] has 4 digits. [8, 9, 7, 8] has 4 digits. [2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 7 2 0.
435+569 =
< scratch > [4, 3, 5] has 3 digits. [5, 6, 9] has 3 digits. [5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1 [3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 4.