input
stringlengths
6
12
target
stringlengths
117
294
338+662 =
< scratch > [3, 3, 8] has 3 digits. [6, 6, 2] has 3 digits. [8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1 [3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1 [3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 0.
706+4495 =
< scratch > [7, 0, 6] has 3 digits. [4, 4, 9, 5] has 4 digits. [6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 [0] + [4] , C = 0, 0 + 4 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 2 0 1.
285+1938 =
< scratch > [2, 8, 5] has 3 digits. [1, 9, 3, 8] has 4 digits. [5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 [2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 2 2 3.
9626+9274 =
< scratch > [9, 6, 2, 6] has 4 digits. [9, 2, 7, 4] has 4 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1 [6] + [2] , C = 0, 6 + 2 + 0 = 9, A ->9, C -> 0 [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 9 0 0.
5976+2396 =
< scratch > [5, 9, 7, 6] has 4 digits. [2, 3, 9, 6] has 4 digits. [6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1 [5] + [2] , C = 0, 5 + 2 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 3 7 2.
6765+6986 =
< scratch > [6, 7, 6, 5] has 4 digits. [6, 9, 8, 6] has 4 digits. [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 7 5 1.
1375+899 =
< scratch > [1, 3, 7, 5] has 4 digits. [8, 9, 9] has 3 digits. [5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 [1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 2 7 4.
837+498 =
< scratch > [8, 3, 7] has 3 digits. [4, 9, 8] has 3 digits. [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 3 5.
985+835 =
< scratch > [9, 8, 5] has 3 digits. [8, 3, 5] has 3 digits. [5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 2 0.
6256+9386 =
< scratch > [6, 2, 5, 6] has 4 digits. [9, 3, 8, 6] has 4 digits. [6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 [2] + [3] , C = 0, 2 + 3 + 0 = 6, A ->6, C -> 0 [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 6 4 2.
519+881 =
< scratch > [5, 1, 9] has 3 digits. [8, 8, 1] has 3 digits. [9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 0 0.
4568+574 =
< scratch > [4, 5, 6, 8] has 4 digits. [5, 7, 4] has 3 digits. [8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1 [6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 1 4 2.
9741+759 =
< scratch > [9, 7, 4, 1] has 4 digits. [7, 5, 9] has 3 digits. [1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, 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 </ scratch > sum:1 0 5 0 0.
558+894 =
< scratch > [5, 5, 8] has 3 digits. [8, 9, 4] has 3 digits. [8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 5 2.
1849+8686 =
< scratch > [1, 8, 4, 9] has 4 digits. [8, 6, 8, 6] has 4 digits. [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 3 5.
6825+688 =
< scratch > [6, 8, 2, 5] has 4 digits. [6, 8, 8] has 3 digits. [5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 5 1 3.
3149+954 =
< scratch > [3, 1, 4, 9] has 4 digits. [9, 5, 4] has 3 digits. [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 [1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1 [3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 1 0 3.
3663+7807 =
< scratch > [3, 6, 6, 3] has 4 digits. [7, 8, 0, 7] has 4 digits. [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 4 7 0.
2597+815 =
< scratch > [2, 5, 9, 7] has 4 digits. [8, 1, 5] has 3 digits. [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 [2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 4 1 2.
856+459 =
< scratch > [8, 5, 6] has 3 digits. [4, 5, 9] has 3 digits. [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 1 5.
966+6959 =
< scratch > [9, 6, 6] has 3 digits. [6, 9, 5, 9] has 4 digits. [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 [6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 9 2 5.
8696+624 =
< scratch > [8, 6, 9, 6] has 4 digits. [6, 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 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 3 2 0.
9699+6052 =
< scratch > [9, 6, 9, 9] has 4 digits. [6, 0, 5, 2] has 4 digits. [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 7 5 1.
5897+2839 =
< scratch > [5, 8, 9, 7] has 4 digits. [2, 8, 3, 9] has 4 digits. [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1 [8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1 [5] + [2] , C = 0, 5 + 2 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 7 3 6.
1366+9155 =
< scratch > [1, 3, 6, 6] has 4 digits. [9, 1, 5, 5] has 4 digits. [6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1 [6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1 [3] + [1] , C = 0, 3 + 1 + 0 = 5, A ->5, C -> 0 [1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 2 1.
3879+8390 =
< scratch > [3, 8, 7, 9] has 4 digits. [8, 3, 9, 0] has 4 digits. [9] + [0] , C = 0, 9 + 0 + 0 = 9, A ->9, C -> 0 [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 2 6 9.
1986+5745 =
< scratch > [1, 9, 8, 6] has 4 digits. [5, 7, 4, 5] has 4 digits. [6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 [1] + [5] , C = 0, 1 + 5 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 7 3 1.
8837+2792 =
< scratch > [8, 8, 3, 7] has 4 digits. [2, 7, 9, 2] has 4 digits. [7] + [2] , C = 0, 7 + 2 + 0 = 9, A ->9, C -> 0 [3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1 [8] + [7] , C = 1, 8 + 7 + 1 = 16, A ->6, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 6 2 9.
878+7639 =
< scratch > [8, 7, 8] has 3 digits. [7, 6, 3, 9] has 4 digits. [8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, 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 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 5 1 7.
9728+297 =
< scratch > [9, 7, 2, 8] has 4 digits. [2, 9, 7] has 3 digits. [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, 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 2 5.
4996+9339 =
< scratch > [4, 9, 9, 6] has 4 digits. [9, 3, 3, 9] has 4 digits. [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 [9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1 [9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 3 3 5.
498+893 =
< scratch > [4, 9, 8] has 3 digits. [8, 9, 3] has 3 digits. [8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 9 1.
32+9981 =
< scratch > [3, 2] has 2 digits. [9, 9, 8, 1] has 4 digits. [2] + [1] , C = 0, 2 + 1 + 0 = 3, A ->3, C -> 0 [3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 1 3.
798+569 =
< scratch > [7, 9, 8] has 3 digits. [5, 6, 9] has 3 digits. [8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 6 7.
68+967 =
< scratch > [6, 8] has 2 digits. [9, 6, 7] has 3 digits. [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 5.
8979+56 =
< scratch > [8, 9, 7, 9] has 4 digits. [5, 6] has 2 digits. [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 [8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 0 3 5.
1957+178 =
< scratch > [1, 9, 5, 7] has 4 digits. [1, 7, 8] has 3 digits. [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 1 3 5.
2068+987 =
< scratch > [2, 0, 6, 8] has 4 digits. [9, 8, 7] has 3 digits. [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 0 5 5.
2471+7875 =
< scratch > [2, 4, 7, 1] has 4 digits. [7, 8, 7, 5] has 4 digits. [1] + [5] , C = 0, 1 + 5 + 0 = 6, A ->6, C -> 0 [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1 [4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1 [2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 4 6.
2579+1584 =
< scratch > [2, 5, 7, 9] has 4 digits. [1, 5, 8, 4] has 4 digits. [9] + [4] , C = 1, 9 + 4 + 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 [2] + [1] , C = 0, 2 + 1 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 1 6 3.
723+8777 =
< scratch > [7, 2, 3] has 3 digits. [8, 7, 7, 7] has 4 digits. [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1 [7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1 [0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 5 0 0.
848+2169 =
< scratch > [8, 4, 8] has 3 digits. [2, 1, 6, 9] has 4 digits. [8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1 [4] + [6] , C = 1, 4 + 6 + 1 = 11, A ->1, C -> 1 [8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 0 1 7.
5993+9 =
< scratch > [5, 9, 9, 3] has 4 digits. [9] has 1 digits. [3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 [5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 0 0 2.
5+999 =
< scratch > [5] has 1 digits. [9, 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 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 4.
9+8993 =
< scratch > [9] has 1 digits. [8, 9, 9, 3] has 4 digits. [9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, 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 0 2.
8129+978 =
< scratch > [8, 1, 2, 9] has 4 digits. [9, 7, 8] has 3 digits. [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1 [1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1 [8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 1 0 7.
797+487 =
< scratch > [7, 9, 7] has 3 digits. [4, 8, 7] has 3 digits. [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 8 4.
46+997 =
< scratch > [4, 6] has 2 digits. [9, 9, 7] has 3 digits. [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 4 3.
6374+8757 =
< scratch > [6, 3, 7, 4] has 4 digits. [8, 7, 5, 7] has 4 digits. [4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 1 3 1.
1337+667 =
< scratch > [1, 3, 3, 7] has 4 digits. [6, 6, 7] has 3 digits. [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1 [3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1 [3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1 [1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 0 0 4.
939+3181 =
< scratch > [9, 3, 9] has 3 digits. [3, 1, 8, 1] has 4 digits. [9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 1 2 0.
4999+57 =
< scratch > [4, 9, 9, 9] has 4 digits. [5, 7] has 2 digits. [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 [9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 0 5 6.
988+7832 =
< scratch > [9, 8, 8] has 3 digits. [7, 8, 3, 2] has 4 digits. [8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 8 2 0.
957+665 =
< scratch > [9, 5, 7] has 3 digits. [6, 6, 5] has 3 digits. [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 [5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 </ scratch > sum:1 6 2 2.
9999+8 =
< scratch > [9, 9, 9, 9] has 4 digits. [8] has 1 digits. [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 0 7.
589+955 =
< scratch > [5, 8, 9] has 3 digits. [9, 5, 5] has 3 digits. [9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 4 4.
6317+7388 =
< scratch > [6, 3, 1, 7] has 4 digits. [7, 3, 8, 8] has 4 digits. [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 [3] + [3] , C = 0, 3 + 3 + 0 = 7, A ->7, C -> 0 [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 7 0 5.
449+9601 =
< scratch > [4, 4, 9] has 3 digits. [9, 6, 0, 1] has 4 digits. [9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 [4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 5 0.
739+9270 =
< scratch > [7, 3, 9] has 3 digits. [9, 2, 7, 0] has 4 digits. [9] + [0] , C = 0, 9 + 0 + 0 = 9, A ->9, C -> 0 [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 0 9.
764+9385 =
< scratch > [7, 6, 4] has 3 digits. [9, 3, 8, 5] has 4 digits. [4] + [5] , C = 0, 4 + 5 + 0 = 9, A ->9, C -> 0 [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 1 4 9.
649+3774 =
< scratch > [6, 4, 9] has 3 digits. [3, 7, 7, 4] has 4 digits. [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 [6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1 [0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 4 2 3.
959+765 =
< scratch > [9, 5, 9] has 3 digits. [7, 6, 5] has 3 digits. [9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1 [5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 </ scratch > sum:1 7 2 4.
5803+199 =
< scratch > [5, 8, 0, 3] has 4 digits. [1, 9, 9] has 3 digits. [3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1 [5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 0 0 2.
9535+739 =
< scratch > [9, 5, 3, 5] has 4 digits. [7, 3, 9] has 3 digits. [5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1 [3] + [3] , C = 0, 3 + 3 + 0 = 7, A ->7, C -> 0 [5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 2 7 4.
6837+673 =
< scratch > [6, 8, 3, 7] has 4 digits. [6, 7, 3] has 3 digits. [7] + [3] , C = 1, 7 + 3 + 1 = 10, A ->0, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 5 1 0.
7735+887 =
< scratch > [7, 7, 3, 5] has 4 digits. [8, 8, 7] has 3 digits. [5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 [7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 6 2 2.
6926+697 =
< scratch > [6, 9, 2, 6] has 4 digits. [6, 9, 7] has 3 digits. [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 6 2 3.
4638+693 =
< scratch > [4, 6, 3, 8] has 4 digits. [6, 9, 3] has 3 digits. [8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 3 3 1.
2142+4968 =
< scratch > [2, 1, 4, 2] has 4 digits. [4, 9, 6, 8] has 4 digits. [2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1 [4] + [6] , C = 1, 4 + 6 + 1 = 11, A ->1, C -> 1 [1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1 [2] + [4] , C = 0, 2 + 4 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 1 1 0.
646+578 =
< scratch > [6, 4, 6] has 3 digits. [5, 7, 8] has 3 digits. [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 [6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 2 4.
8998+9145 =
< scratch > [8, 9, 9, 8] has 4 digits. [9, 1, 4, 5] has 4 digits. [8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1 [9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 1 4 3.
3938+9785 =
< scratch > [3, 9, 3, 8] has 4 digits. [9, 7, 8, 5] has 4 digits. [8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 7 2 3.
396+796 =
< scratch > [3, 9, 6] has 3 digits. [7, 9, 6] has 3 digits. [6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 9 2.
9794+8471 =
< scratch > [9, 7, 9, 4] has 4 digits. [8, 4, 7, 1] has 4 digits. [4] + [1] , C = 0, 4 + 1 + 0 = 5, A ->5, C -> 0 [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 2 6 5.
8076+4656 =
< scratch > [8, 0, 7, 6] has 4 digits. [4, 6, 5, 6] has 4 digits. [6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 [8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 7 3 2.
509+692 =
< scratch > [5, 0, 9] has 3 digits. [6, 9, 2] has 3 digits. [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 0 1.
3726+9757 =
< scratch > [3, 7, 2, 6] has 4 digits. [9, 7, 5, 7] has 4 digits. [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [2] + [5] , C = 0, 2 + 5 + 0 = 8, A ->8, C -> 0 [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 4 8 3.
839+3372 =
< scratch > [8, 3, 9] has 3 digits. [3, 3, 7, 2] has 4 digits. [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 [0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 2 1 1.
554+686 =
< scratch > [5, 5, 4] has 3 digits. [6, 8, 6] has 3 digits. [4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 [5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 4 0.
4505+5538 =
< scratch > [4, 5, 0, 5] has 4 digits. [5, 5, 3, 8] has 4 digits. [5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1 [0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0 [5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 4 3.
977+65 =
< scratch > [9, 7, 7] has 3 digits. [6, 5] has 2 digits. [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 [7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 4 2.
3437+9757 =
< scratch > [3, 4, 3, 7] has 4 digits. [9, 7, 5, 7] has 4 digits. [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1 [3] + [5] , C = 0, 3 + 5 + 0 = 9, A ->9, C -> 0 [4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 1 9 4.
9371+4439 =
< scratch > [9, 3, 7, 1] has 4 digits. [4, 4, 3, 9] has 4 digits. [1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1 [3] + [4] , C = 0, 3 + 4 + 0 = 8, A ->8, C -> 0 [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 8 1 0.
6557+5179 =
< scratch > [6, 5, 5, 7] has 4 digits. [5, 1, 7, 9] has 4 digits. [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [5] + [1] , C = 0, 5 + 1 + 0 = 7, A ->7, C -> 0 [6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 7 3 6.
3134+7992 =
< scratch > [3, 1, 3, 4] has 4 digits. [7, 9, 9, 2] has 4 digits. [4] + [2] , C = 0, 4 + 2 + 0 = 6, A ->6, C -> 0 [3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1 [1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 1 2 6.
342+3679 =
< scratch > [3, 4, 2] has 3 digits. [3, 6, 7, 9] has 4 digits. [2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 [3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1 [0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 0 2 1.
698+6567 =
< scratch > [6, 9, 8] has 3 digits. [6, 5, 6, 7] has 4 digits. [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 [6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 2 6 5.
6592+3742 =
< scratch > [6, 5, 9, 2] has 4 digits. [3, 7, 4, 2] has 4 digits. [2] + [2] , C = 0, 2 + 2 + 0 = 4, A ->4, C -> 0 [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 3 4.
33+6968 =
< scratch > [3, 3] has 2 digits. [6, 9, 6, 8] has 4 digits. [3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1 [3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, 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 0 1.
5667+988 =
< scratch > [5, 6, 6, 7] has 4 digits. [9, 8, 8] has 3 digits. [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1 [5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 6 5 5.
33+967 =
< scratch > [3, 3] has 2 digits. [9, 6, 7] has 3 digits. [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 0.
9193+3127 =
< scratch > [9, 1, 9, 3] has 4 digits. [3, 1, 2, 7] has 4 digits. [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1 [1] + [1] , C = 0, 1 + 1 + 0 = 3, A ->3, C -> 0 [9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 3 2 0.
9752+684 =
< scratch > [9, 7, 5, 2] has 4 digits. [6, 8, 4] has 3 digits. [2] + [4] , C = 0, 2 + 4 + 0 = 6, A ->6, C -> 0 [5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1 [7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 4 3 6.
5193+9855 =
< scratch > [5, 1, 9, 3] has 4 digits. [9, 8, 5, 5] has 4 digits. [3] + [5] , C = 0, 3 + 5 + 0 = 8, A ->8, C -> 0 [9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 0 4 8.
8934+89 =
< scratch > [8, 9, 3, 4] has 4 digits. [8, 9] has 2 digits. [4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, 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 [8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 0 2 3.
8784+3747 =
< scratch > [8, 7, 8, 4] has 4 digits. [3, 7, 4, 7] has 4 digits. [4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 5 3 1.
475+3928 =
< scratch > [4, 7, 5] has 3 digits. [3, 9, 2, 8] has 4 digits. [5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 [0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 4 0 3.
186+866 =
< scratch > [1, 8, 6] has 3 digits. [8, 6, 6] has 3 digits. [6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 2.
789+2495 =
< scratch > [7, 8, 9] has 3 digits. [2, 4, 9, 5] has 4 digits. [9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 2 8 4.
8979+81 =
< scratch > [8, 9, 7, 9] has 4 digits. [8, 1] has 2 digits. [9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 [8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 0 6 0.