input
stringlengths
6
12
target
stringlengths
117
294
537+9516 =
< scratch > [5, 3, 7] has 3 digits. [9, 5, 1, 6] has 4 digits. [7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, C -> 1 [3] + [1] , C = 0, 3 + 1 + 0 = 5, A ->5, C -> 0 [5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 5 3.
5985+8696 =
< scratch > [5, 9, 8, 5] has 4 digits. [8, 6, 9, 6] has 4 digits. [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 6 8 1.
902+9919 =
< scratch > [9, 0, 2] has 3 digits. [9, 9, 1, 9] has 4 digits. [2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 8 2 1.
3752+9679 =
< scratch > [3, 7, 5, 2] has 4 digits. [9, 6, 7, 9] has 4 digits. [2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 4 3 1.
9949+8424 =
< scratch > [9, 9, 4, 9] has 4 digits. [8, 4, 2, 4] has 4 digits. [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1 [4] + [2] , C = 0, 4 + 2 + 0 = 7, A ->7, C -> 0 [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 3 7 3.
6438+3985 =
< scratch > [6, 4, 3, 8] has 4 digits. [3, 9, 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 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 [6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 4 2 3.
869+9751 =
< scratch > [8, 6, 9] has 3 digits. [9, 7, 5, 1] has 4 digits. [9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1 [6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1 [8] + [7] , C = 1, 8 + 7 + 1 = 16, A ->6, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 6 2 0.
969+2866 =
< scratch > [9, 6, 9] has 3 digits. [2, 8, 6, 6] has 4 digits. [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 8 3 5.
691+9923 =
< scratch > [6, 9, 1] has 3 digits. [9, 9, 2, 3] has 4 digits. [1] + [3] , C = 0, 1 + 3 + 0 = 4, A ->4, C -> 0 [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 6 1 4.
9925+287 =
< scratch > [9, 9, 2, 5] has 4 digits. [2, 8, 7] has 3 digits. [5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 2 1 2.
5647+7371 =
< scratch > [5, 6, 4, 7] has 4 digits. [7, 3, 7, 1] has 4 digits. [7] + [1] , C = 0, 7 + 1 + 0 = 8, A ->8, C -> 0 [4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1 [6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 0 1 8.
7969+5640 =
< scratch > [7, 9, 6, 9] has 4 digits. [5, 6, 4, 0] has 4 digits. [9] + [0] , C = 0, 9 + 0 + 0 = 9, A ->9, C -> 0 [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, 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 0 9.
2948+397 =
< scratch > [2, 9, 4, 8] has 4 digits. [3, 9, 7] has 3 digits. [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 [9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1 [2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 3 4 5.
749+9590 =
< scratch > [7, 4, 9] has 3 digits. [9, 5, 9, 0] has 4 digits. [9] + [0] , C = 0, 9 + 0 + 0 = 9, A ->9, C -> 0 [4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, 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 </ scratch > sum:1 0 3 3 9.
937+979 =
< scratch > [9, 3, 7] has 3 digits. [9, 7, 9] has 3 digits. [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 </ scratch > sum:1 9 1 6.
789+758 =
< scratch > [7, 8, 9] has 3 digits. [7, 5, 8] has 3 digits. [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 4 7.
97+994 =
< scratch > [9, 7] has 2 digits. [9, 9, 4] has 3 digits. [7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, 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 </ scratch > sum:1 0 9 1.
788+8359 =
< scratch > [7, 8, 8] has 3 digits. [8, 3, 5, 9] has 4 digits. [8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1 [0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 1 4 7.
8376+7488 =
< scratch > [8, 3, 7, 6] has 4 digits. [7, 4, 8, 8] has 4 digits. [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 [3] + [4] , C = 0, 3 + 4 + 0 = 8, A ->8, C -> 0 [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 8 6 4.
9353+6087 =
< scratch > [9, 3, 5, 3] has 4 digits. [6, 0, 8, 7] has 4 digits. [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 [3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0 [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 4 4 0.
1552+668 =
< scratch > [1, 5, 5, 2] has 4 digits. [6, 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 [5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1 [1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 2 2 0.
5252+8886 =
< scratch > [5, 2, 5, 2] has 4 digits. [8, 8, 8, 6] has 4 digits. [2] + [6] , C = 0, 2 + 6 + 0 = 8, A ->8, C -> 0 [5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 1 3 8.
866+2198 =
< scratch > [8, 6, 6] has 3 digits. [2, 1, 9, 8] has 4 digits. [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, 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 6 4.
749+451 =
< scratch > [7, 4, 9] has 3 digits. [4, 5, 1] has 3 digits. [9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 0 0.
596+599 =
< scratch > [5, 9, 6] has 3 digits. [5, 9, 9] has 3 digits. [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 9 5.
649+475 =
< scratch > [6, 4, 9] has 3 digits. [4, 7, 5] has 3 digits. [9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 2 4.
796+5797 =
< scratch > [7, 9, 6] has 3 digits. [5, 7, 9, 7] has 4 digits. [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1 [0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 5 9 3.
77+988 =
< scratch > [7, 7] has 2 digits. [9, 8, 8] has 3 digits. [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 6 5.
995+677 =
< scratch > [9, 9, 5] has 3 digits. [6, 7, 7] has 3 digits. [5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 </ scratch > sum:1 6 7 2.
4991+129 =
< scratch > [4, 9, 9, 1] has 4 digits. [1, 2, 9] has 3 digits. [1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1 [9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 1 2 0.
954+1068 =
< scratch > [9, 5, 4] has 3 digits. [1, 0, 6, 8] has 4 digits. [4] + [8] , C = 1, 4 + 8 + 1 = 12, A ->2, 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 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 0 2 2.
963+47 =
< scratch > [9, 6, 3] has 3 digits. [4, 7] has 2 digits. [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 1 0.
947+76 =
< scratch > [9, 4, 7] has 3 digits. [7, 6] has 2 digits. [7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, 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 3.
889+167 =
< scratch > [8, 8, 9] has 3 digits. [1, 6, 7] has 3 digits. [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 [8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 6.
68+2989 =
< scratch > [6, 8] has 2 digits. [2, 9, 8, 9] has 4 digits. [8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, 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 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 0 5 7.
6366+7144 =
< scratch > [6, 3, 6, 6] has 4 digits. [7, 1, 4, 4] has 4 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 [3] + [1] , C = 0, 3 + 1 + 0 = 5, A ->5, C -> 0 [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 5 1 0.
589+2846 =
< scratch > [5, 8, 9] has 3 digits. [2, 8, 4, 6] has 4 digits. [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 4 3 5.
9783+2366 =
< scratch > [9, 7, 8, 3] has 4 digits. [2, 3, 6, 6] has 4 digits. [3] + [6] , C = 0, 3 + 6 + 0 = 9, A ->9, C -> 0 [8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1 [9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 1 4 9.
466+569 =
< scratch > [4, 6, 6] has 3 digits. [5, 6, 9] has 3 digits. [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 5.
1165+846 =
< scratch > [1, 1, 6, 5] has 4 digits. [8, 4, 6] has 3 digits. [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 [1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 0 1 1.
64+947 =
< scratch > [6, 4] has 2 digits. [9, 4, 7] has 3 digits. [4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 1 1.
788+622 =
< scratch > [7, 8, 8] has 3 digits. [6, 2, 2] has 3 digits. [8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 [7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 1 0.
656+455 =
< scratch > [6, 5, 6] has 3 digits. [4, 5, 5] has 3 digits. [6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 1 1.
7192+9933 =
< scratch > [7, 1, 9, 2] has 4 digits. [9, 9, 3, 3] has 4 digits. [2] + [3] , C = 0, 2 + 3 + 0 = 5, A ->5, C -> 0 [9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1 [1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 </ scratch > sum:1 7 1 2 5.
568+2588 =
< scratch > [5, 6, 8] has 3 digits. [2, 5, 8, 8] has 4 digits. [8] + [8] , C = 1, 8 + 8 + 1 = 16, A ->6, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 1 5 6.
1237+788 =
< scratch > [1, 2, 3, 7] has 4 digits. [7, 8, 8] has 3 digits. [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 [2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1 [1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 0 2 5.
7869+1674 =
< scratch > [7, 8, 6, 9] has 4 digits. [1, 6, 7, 4] has 4 digits. [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1 [6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 [7] + [1] , C = 0, 7 + 1 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 5 4 3.
127+5978 =
< scratch > [1, 2, 7] has 3 digits. [5, 9, 7, 8] has 4 digits. [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, 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 [0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 1 0 5.
74+5987 =
< scratch > [7, 4] has 2 digits. [5, 9, 8, 7] has 4 digits. [4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 0 6 1.
358+1954 =
< scratch > [3, 5, 8] has 3 digits. [1, 9, 5, 4] has 4 digits. [8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 3 1 2.
7499+2553 =
< scratch > [7, 4, 9, 9] has 4 digits. [2, 5, 5, 3] has 4 digits. [9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, 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 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 5 2.
9862+848 =
< scratch > [9, 8, 6, 2] has 4 digits. [8, 4, 8] has 3 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 [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 1 0.
146+988 =
< scratch > [1, 4, 6] has 3 digits. [9, 8, 8] has 3 digits. [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1 [1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 3 4.
6896+465 =
< scratch > [6, 8, 9, 6] has 4 digits. [4, 6, 5] has 3 digits. [6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 3 6 1.
6147+885 =
< scratch > [6, 1, 4, 7] has 4 digits. [8, 8, 5] has 3 digits. [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 [4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 0 3 2.
899+271 =
< scratch > [8, 9, 9] has 3 digits. [2, 7, 1] has 3 digits. [9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 7 0.
699+1636 =
< scratch > [6, 9, 9] has 3 digits. [1, 6, 3, 6] has 4 digits. [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 3 3 5.
929+7798 =
< scratch > [9, 2, 9] has 3 digits. [7, 7, 9, 8] has 4 digits. [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 7 2 7.
1893+1949 =
< scratch > [1, 8, 9, 3] has 4 digits. [1, 9, 4, 9] has 4 digits. [3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1 [9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 [1] + [1] , C = 0, 1 + 1 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 8 4 2.
3039+9793 =
< scratch > [3, 0, 3, 9] has 4 digits. [9, 7, 9, 3] has 4 digits. [9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 [3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 8 3 2.
721+5399 =
< scratch > [7, 2, 1] has 3 digits. [5, 3, 9, 9] has 4 digits. [1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1 [2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1 [0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 1 2 0.
7245+4675 =
< scratch > [7, 2, 4, 5] has 4 digits. [4, 6, 7, 5] has 4 digits. [5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 [2] + [6] , C = 0, 2 + 6 + 0 = 9, A ->9, C -> 0 [7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 9 2 0.
9697+8284 =
< scratch > [9, 6, 9, 7] has 4 digits. [8, 2, 8, 4] has 4 digits. [7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 [6] + [2] , C = 0, 6 + 2 + 0 = 9, A ->9, C -> 0 [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 </ scratch > sum:1 7 9 8 1.
4+999 =
< scratch > [4] has 1 digits. [9, 9, 9] has 3 digits. [4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, 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 3.
713+9891 =
< scratch > [7, 1, 3] has 3 digits. [9, 8, 9, 1] has 4 digits. [3] + [1] , C = 0, 3 + 1 + 0 = 4, A ->4, C -> 0 [1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 6 0 4.
8763+6994 =
< scratch > [8, 7, 6, 3] has 4 digits. [6, 9, 9, 4] has 4 digits. [3] + [4] , C = 0, 3 + 4 + 0 = 7, A ->7, C -> 0 [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 7 5 7.
5789+586 =
< scratch > [5, 7, 8, 9] has 4 digits. [5, 8, 6] has 3 digits. [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 [5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 3 7 5.
96+996 =
< scratch > [9, 6] has 2 digits. [9, 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 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 9 2.
635+876 =
< scratch > [6, 3, 5] has 3 digits. [8, 7, 6] has 3 digits. [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, 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 1.
8773+8234 =
< scratch > [8, 7, 7, 3] has 4 digits. [8, 2, 3, 4] has 4 digits. [3] + [4] , C = 0, 3 + 4 + 0 = 7, A ->7, C -> 0 [7] + [3] , C = 1, 7 + 3 + 1 = 10, A ->0, C -> 1 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 [8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1 </ scratch > sum:1 7 0 0 7.
4994+18 =
< scratch > [4, 9, 9, 4] has 4 digits. [1, 8] has 2 digits. [4] + [8] , C = 1, 4 + 8 + 1 = 12, A ->2, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, 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 1 2.
5231+1989 =
< scratch > [5, 2, 3, 1] has 4 digits. [1, 9, 8, 9] has 4 digits. [1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 [2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1 [5] + [1] , C = 0, 5 + 1 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 2 2 0.
887+365 =
< scratch > [8, 8, 7] has 3 digits. [3, 6, 5] has 3 digits. [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 5 2.
9089+4263 =
< scratch > [9, 0, 8, 9] has 4 digits. [4, 2, 6, 3] has 4 digits. [9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 3 5 2.
576+9907 =
< scratch > [5, 7, 6] has 3 digits. [9, 9, 0, 7] has 4 digits. [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0 [5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 4 8 3.
993+909 =
< scratch > [9, 9, 3] has 3 digits. [9, 0, 9] has 3 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] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 </ scratch > sum:1 9 0 2.
987+96 =
< scratch > [9, 8, 7] has 3 digits. [9, 6] has 2 digits. [7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 8 3.
9289+9137 =
< scratch > [9, 2, 8, 9] has 4 digits. [9, 1, 3, 7] has 4 digits. [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 [2] + [1] , C = 0, 2 + 1 + 0 = 4, A ->4, C -> 0 [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 4 2 6.
379+968 =
< scratch > [3, 7, 9] has 3 digits. [9, 6, 8] has 3 digits. [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 4 7.
9483+9249 =
< scratch > [9, 4, 8, 3] has 4 digits. [9, 2, 4, 9] has 4 digits. [3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [4] + [2] , C = 0, 4 + 2 + 0 = 7, A ->7, C -> 0 [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 7 3 2.
6562+9844 =
< scratch > [6, 5, 6, 2] has 4 digits. [9, 8, 4, 4] has 4 digits. [2] + [4] , C = 0, 2 + 4 + 0 = 6, A ->6, C -> 0 [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 [6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1 </ scratch > sum:1 6 4 0 6.
714+5989 =
< scratch > [7, 1, 4] has 3 digits. [5, 9, 8, 9] has 4 digits. [4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 7 0 3.
3679+8525 =
< scratch > [3, 6, 7, 9] has 4 digits. [8, 5, 2, 5] has 4 digits. [9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 [6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 2 0 4.
6843+6594 =
< scratch > [6, 8, 4, 3] has 4 digits. [6, 5, 9, 4] has 4 digits. [3] + [4] , C = 0, 3 + 4 + 0 = 7, A ->7, C -> 0 [4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 4 3 7.
3278+959 =
< scratch > [3, 2, 7, 8] has 4 digits. [9, 5, 9] has 3 digits. [8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 [2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1 [3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 2 3 7.
998+694 =
< scratch > [9, 9, 8] has 3 digits. [6, 9, 4] has 3 digits. [8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 </ scratch > sum:1 6 9 2.
457+4859 =
< scratch > [4, 5, 7] has 3 digits. [4, 8, 5, 9] has 4 digits. [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 [4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1 [0] + [4] , C = 0, 0 + 4 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 3 1 6.
9613+827 =
< scratch > [9, 6, 1, 3] has 4 digits. [8, 2, 7] has 3 digits. [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [1] + [2] , C = 0, 1 + 2 + 0 = 4, A ->4, C -> 0 [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 4 4 0.
902+98 =
< scratch > [9, 0, 2] has 3 digits. [9, 8] has 2 digits. [2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 0.
78+5942 =
< scratch > [7, 8] has 2 digits. [5, 9, 4, 2] has 4 digits. [8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 0 2 0.
9441+784 =
< scratch > [9, 4, 4, 1] has 4 digits. [7, 8, 4] has 3 digits. [1] + [4] , C = 0, 1 + 4 + 0 = 5, A ->5, C -> 0 [4] + [8] , C = 1, 4 + 8 + 1 = 12, A ->2, 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 2 5.
9904+4279 =
< scratch > [9, 9, 0, 4] has 4 digits. [4, 2, 7, 9] has 4 digits. [4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 1 8 3.
8949+51 =
< scratch > [8, 9, 4, 9] has 4 digits. [5, 1] has 2 digits. [9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, 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 [8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 0 0 0.
3725+9728 =
< scratch > [3, 7, 2, 5] has 4 digits. [9, 7, 2, 8] has 4 digits. [5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1 [2] + [2] , C = 0, 2 + 2 + 0 = 5, A ->5, 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 5 3.
816+198 =
< scratch > [8, 1, 6] has 3 digits. [1, 9, 8] has 3 digits. [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1 [8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 1 4.
9684+7876 =
< scratch > [9, 6, 8, 4] has 4 digits. [7, 8, 7, 6] has 4 digits. [4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1 [8] + [7] , C = 1, 8 + 7 + 1 = 16, A ->6, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 </ scratch > sum:1 7 5 6 0.
998+23 =
< scratch > [9, 9, 8] has 3 digits. [2, 3] has 2 digits. [8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1 [9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 2 1.
998+895 =
< scratch > [9, 9, 8] has 3 digits. [8, 9, 5] has 3 digits. [8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 9 3.
569+982 =
< scratch > [5, 6, 9] has 3 digits. [9, 8, 2] has 3 digits. [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 5 1.
9998+687 =
< scratch > [9, 9, 9, 8] has 4 digits. [6, 8, 7] has 3 digits. [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 6 8 5.