input
stringlengths
6
12
target
stringlengths
117
294
326+6979 =
< scratch > [3, 2, 6] has 3 digits. [6, 9, 7, 9] has 4 digits. [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 [2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 3 0 5.
7746+9084 =
< scratch > [7, 7, 4, 6] has 4 digits. [9, 0, 8, 4] has 4 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1 [7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0 [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 </ scratch > sum:1 6 8 3 0.
7239+8927 =
< scratch > [7, 2, 3, 9] has 4 digits. [8, 9, 2, 7] has 4 digits. [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 [3] + [2] , C = 0, 3 + 2 + 0 = 6, A ->6, C -> 0 [2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 </ scratch > sum:1 6 1 6 6.
520+9794 =
< scratch > [5, 2, 0] has 3 digits. [9, 7, 9, 4] has 4 digits. [0] + [4] , C = 0, 0 + 4 + 0 = 4, A ->4, C -> 0 [2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 1 4.
9377+4473 =
< scratch > [9, 3, 7, 7] has 4 digits. [4, 4, 7, 3] has 4 digits. [7] + [3] , C = 1, 7 + 3 + 1 = 10, A ->0, C -> 1 [7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, 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 5 0.
877+987 =
< scratch > [8, 7, 7] has 3 digits. [9, 8, 7] has 3 digits. [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 6 4.
865+955 =
< scratch > [8, 6, 5] has 3 digits. [9, 5, 5] has 3 digits. [5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1 [6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 2 0.
5989+72 =
< scratch > [5, 9, 8, 9] has 4 digits. [7, 2] has 2 digits. [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [8] + [7] , C = 1, 8 + 7 + 1 = 16, A ->6, 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 6 1.
6565+539 =
< scratch > [6, 5, 6, 5] has 4 digits. [5, 3, 9] has 3 digits. [5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1 [6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 1 0 4.
8744+2769 =
< scratch > [8, 7, 4, 4] has 4 digits. [2, 7, 6, 9] has 4 digits. [4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1 [4] + [6] , C = 1, 4 + 6 + 1 = 11, A ->1, C -> 1 [7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 5 1 3.
7688+7183 =
< scratch > [7, 6, 8, 8] has 4 digits. [7, 1, 8, 3] has 4 digits. [8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1 [8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1 [6] + [1] , C = 0, 6 + 1 + 0 = 8, A ->8, C -> 0 [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 8 7 1.
4294+966 =
< scratch > [4, 2, 9, 4] has 4 digits. [9, 6, 6] has 3 digits. [4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 [2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 2 6 0.
829+982 =
< scratch > [8, 2, 9] has 3 digits. [9, 8, 2] has 3 digits. [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 1 1.
4878+623 =
< scratch > [4, 8, 7, 8] has 4 digits. [6, 2, 3] has 3 digits. [8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 5 0 1.
8636+6449 =
< scratch > [8, 6, 3, 6] has 4 digits. [6, 4, 4, 9] has 4 digits. [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 [3] + [4] , C = 0, 3 + 4 + 0 = 8, A ->8, C -> 0 [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 0 8 5.
998+6216 =
< scratch > [9, 9, 8] has 3 digits. [6, 2, 1, 6] has 4 digits. [8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 2 1 4.
534+1676 =
< scratch > [5, 3, 4] has 3 digits. [1, 6, 7, 6] has 4 digits. [4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 [5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 2 1 0.
888+3759 =
< scratch > [8, 8, 8] has 3 digits. [3, 7, 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 [8] + [7] , C = 1, 8 + 7 + 1 = 16, A ->6, C -> 1 [0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 6 4 7.
8498+9827 =
< scratch > [8, 4, 9, 8] has 4 digits. [9, 8, 2, 7] has 4 digits. [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1 [4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 3 2 5.
6998+813 =
< scratch > [6, 9, 9, 8] has 4 digits. [8, 1, 3] has 3 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 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 8 1 1.
598+816 =
< scratch > [5, 9, 8] has 3 digits. [8, 1, 6] has 3 digits. [8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, 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 </ scratch > sum:1 4 1 4.
7204+6818 =
< scratch > [7, 2, 0, 4] has 4 digits. [6, 8, 1, 8] has 4 digits. [4] + [8] , C = 1, 4 + 8 + 1 = 12, A ->2, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 [2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1 [7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 0 2 2.
922+798 =
< scratch > [9, 2, 2] has 3 digits. [7, 9, 8] has 3 digits. [2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, 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 </ scratch > sum:1 7 2 0.
6995+3325 =
< scratch > [6, 9, 9, 5] has 4 digits. [3, 3, 2, 5] has 4 digits. [5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1 [9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1 [9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1 [6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 2 0.
869+164 =
< scratch > [8, 6, 9] has 3 digits. [1, 6, 4] has 3 digits. [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 3.
986+7994 =
< scratch > [9, 8, 6] has 3 digits. [7, 9, 9, 4] has 4 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, 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 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 9 8 0.
9187+7443 =
< scratch > [9, 1, 8, 7] has 4 digits. [7, 4, 4, 3] has 4 digits. [7] + [3] , C = 1, 7 + 3 + 1 = 10, A ->0, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [1] + [4] , C = 0, 1 + 4 + 0 = 6, A ->6, C -> 0 [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 </ scratch > sum:1 6 6 3 0.
4869+544 =
< scratch > [4, 8, 6, 9] has 4 digits. [5, 4, 4] has 3 digits. [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 4 1 3.
8392+958 =
< scratch > [8, 3, 9, 2] has 4 digits. [9, 5, 8] has 3 digits. [2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1 [9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 [8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 3 5 0.
134+987 =
< scratch > [1, 3, 4] has 3 digits. [9, 8, 7] has 3 digits. [4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 [1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 2 1.
6326+988 =
< scratch > [6, 3, 2, 6] has 4 digits. [9, 8, 8] has 3 digits. [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 3 1 4.
859+8569 =
< scratch > [8, 5, 9] has 3 digits. [8, 5, 6, 9] has 4 digits. [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 [5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 4 2 8.
748+659 =
< scratch > [7, 4, 8] has 3 digits. [6, 5, 9] has 3 digits. [8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 [7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 0 7.
6744+456 =
< scratch > [6, 7, 4, 4] has 4 digits. [4, 5, 6] has 3 digits. [4] + [6] , C = 1, 4 + 6 + 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 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 2 0 0.
656+7697 =
< scratch > [6, 5, 6] has 3 digits. [7, 6, 9, 7] has 4 digits. [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 3 5 3.
8182+6228 =
< scratch > [8, 1, 8, 2] has 4 digits. [6, 2, 2, 8] has 4 digits. [2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 [1] + [2] , C = 0, 1 + 2 + 0 = 4, A ->4, C -> 0 [8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 4 1 0.
655+766 =
< scratch > [6, 5, 5] has 3 digits. [7, 6, 6] has 3 digits. [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, 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 1.
7859+795 =
< scratch > [7, 8, 5, 9] has 4 digits. [7, 9, 5] has 3 digits. [9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 [8] + [7] , C = 1, 8 + 7 + 1 = 16, A ->6, C -> 1 [7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 6 5 4.
57+998 =
< scratch > [5, 7] has 2 digits. [9, 9, 8] has 3 digits. [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 5.
813+9948 =
< scratch > [8, 1, 3] has 3 digits. [9, 9, 4, 8] has 4 digits. [3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1 [1] + [4] , C = 0, 1 + 4 + 0 = 6, A ->6, C -> 0 [8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 7 6 1.
4581+9737 =
< scratch > [4, 5, 8, 1] has 4 digits. [9, 7, 3, 7] has 4 digits. [1] + [7] , C = 0, 1 + 7 + 0 = 8, A ->8, C -> 0 [8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 3 1 8.
788+854 =
< scratch > [7, 8, 8] has 3 digits. [8, 5, 4] has 3 digits. [8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 </ scratch > sum:1 6 4 2.
7266+2942 =
< scratch > [7, 2, 6, 6] has 4 digits. [2, 9, 4, 2] has 4 digits. [6] + [2] , C = 0, 6 + 2 + 0 = 8, A ->8, C -> 0 [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, 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 </ scratch > sum:1 0 2 0 8.
896+4555 =
< scratch > [8, 9, 6] has 3 digits. [4, 5, 5, 5] has 4 digits. [6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1 [9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [0] + [4] , C = 0, 0 + 4 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 4 5 1.
1913+5788 =
< scratch > [1, 9, 1, 3] has 4 digits. [5, 7, 8, 8] has 4 digits. [3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, 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 0 1.
939+67 =
< scratch > [9, 3, 9] has 3 digits. [6, 7] has 2 digits. [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 [3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 6.
9899+4828 =
< scratch > [9, 8, 9, 9] has 4 digits. [4, 8, 2, 8] has 4 digits. [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1 [8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1 [9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 7 2 7.
731+989 =
< scratch > [7, 3, 1] has 3 digits. [9, 8, 9] has 3 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 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 </ scratch > sum:1 7 2 0.
8875+1637 =
< scratch > [8, 8, 7, 5] has 4 digits. [1, 6, 3, 7] has 4 digits. [5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, 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 [8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 1 2.
466+758 =
< scratch > [4, 6, 6] has 3 digits. [7, 5, 8] has 3 digits. [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 2 4.
9056+1779 =
< scratch > [9, 0, 5, 6] has 4 digits. [1, 7, 7, 9] has 4 digits. [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 [9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 8 3 5.
4877+697 =
< scratch > [4, 8, 7, 7] has 4 digits. [6, 9, 7] has 3 digits. [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, 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 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 5 7 4.
987+385 =
< scratch > [9, 8, 7] has 3 digits. [3, 8, 5] has 3 digits. [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 [8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1 [9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 7 2.
9931+683 =
< scratch > [9, 9, 3, 1] has 4 digits. [6, 8, 3] has 3 digits. [1] + [3] , C = 0, 1 + 3 + 0 = 4, A ->4, C -> 0 [3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, 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 1 4.
913+89 =
< scratch > [9, 1, 3] has 3 digits. [8, 9] has 2 digits. [3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 2.
66+998 =
< scratch > [6, 6] has 2 digits. [9, 9, 8] has 3 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 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 6 4.
578+9536 =
< scratch > [5, 7, 8] has 3 digits. [9, 5, 3, 6] has 4 digits. [8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, 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 1 4.
787+848 =
< scratch > [7, 8, 7] has 3 digits. [8, 4, 8] has 3 digits. [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 </ scratch > sum:1 6 3 5.
5999+41 =
< scratch > [5, 9, 9, 9] has 4 digits. [4, 1] has 2 digits. [9] + [1] , C = 1, 9 + 1 + 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 [5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 0 4 0.
1667+8884 =
< scratch > [1, 6, 6, 7] has 4 digits. [8, 8, 8, 4] has 4 digits. [7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 5 1.
3984+1656 =
< scratch > [3, 9, 8, 4] has 4 digits. [1, 6, 5, 6] has 4 digits. [4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 [3] + [1] , C = 0, 3 + 1 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 6 4 0.
6375+4785 =
< scratch > [6, 3, 7, 5] has 4 digits. [4, 7, 8, 5] has 4 digits. [5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 1 6 0.
809+999 =
< scratch > [8, 0, 9] has 3 digits. [9, 9, 9] has 3 digits. [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 0 8.
5232+7870 =
< scratch > [5, 2, 3, 2] has 4 digits. [7, 8, 7, 0] has 4 digits. [2] + [0] , C = 0, 2 + 0 + 0 = 2, A ->2, C -> 0 [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 1 0 2.
8986+1317 =
< scratch > [8, 9, 8, 6] has 4 digits. [1, 3, 1, 7] has 4 digits. [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1 [9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1 [8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 0 3.
506+9684 =
< scratch > [5, 0, 6] has 3 digits. [9, 6, 8, 4] has 4 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0 [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 1 9 0.
9644+683 =
< scratch > [9, 6, 4, 4] has 4 digits. [6, 8, 3] has 3 digits. [4] + [3] , C = 0, 4 + 3 + 0 = 7, A ->7, C -> 0 [4] + [8] , C = 1, 4 + 8 + 1 = 12, A ->2, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 2 7.
969+8393 =
< scratch > [9, 6, 9] has 3 digits. [8, 3, 9, 3] has 4 digits. [9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1 [6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1 [9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1 [0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 3 6 2.
898+312 =
< scratch > [8, 9, 8] has 3 digits. [3, 1, 2] has 3 digits. [8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 1 0.
4456+798 =
< scratch > [4, 4, 5, 6] has 4 digits. [7, 9, 8] has 3 digits. [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 2 5 4.
4887+9521 =
< scratch > [4, 8, 8, 7] has 4 digits. [9, 5, 2, 1] has 4 digits. [7] + [1] , C = 0, 7 + 1 + 0 = 8, A ->8, C -> 0 [8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 4 0 8.
3894+396 =
< scratch > [3, 8, 9, 4] has 4 digits. [3, 9, 6] has 3 digits. [4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 [3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 2 9 0.
6679+8261 =
< scratch > [6, 6, 7, 9] has 4 digits. [8, 2, 6, 1] has 4 digits. [9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1 [7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1 [6] + [2] , C = 0, 6 + 2 + 0 = 9, A ->9, C -> 0 [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 9 4 0.
8667+3866 =
< scratch > [8, 6, 6, 7] has 4 digits. [3, 8, 6, 6] has 4 digits. [7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 5 3 3.
85+2987 =
< scratch > [8, 5] has 2 digits. [2, 9, 8, 7] has 4 digits. [5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1 [8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, 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 7 2.
4520+8782 =
< scratch > [4, 5, 2, 0] has 4 digits. [8, 7, 8, 2] has 4 digits. [0] + [2] , C = 0, 0 + 2 + 0 = 2, A ->2, C -> 0 [2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 3 0 2.
8928+8987 =
< scratch > [8, 9, 2, 8] has 4 digits. [8, 9, 8, 7] has 4 digits. [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1 </ scratch > sum:1 7 9 1 5.
9664+656 =
< scratch > [9, 6, 6, 4] has 4 digits. [6, 5, 6] has 3 digits. [4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1 [6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 2 0.
747+2955 =
< scratch > [7, 4, 7] has 3 digits. [2, 9, 5, 5] has 4 digits. [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 7 0 2.
7985+36 =
< scratch > [7, 9, 8, 5] has 4 digits. [3, 6] has 2 digits. [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, 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 2 1.
4929+581 =
< scratch > [4, 9, 2, 9] has 4 digits. [5, 8, 1] has 3 digits. [9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 5 1 0.
64+958 =
< scratch > [6, 4] has 2 digits. [9, 5, 8] has 3 digits. [4] + [8] , C = 1, 4 + 8 + 1 = 12, A ->2, C -> 1 [6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 2 2.
956+75 =
< scratch > [9, 5, 6] has 3 digits. [7, 5] has 2 digits. [6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 1.
5792+1899 =
< scratch > [5, 7, 9, 2] has 4 digits. [1, 8, 9, 9] has 4 digits. [2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 [5] + [1] , C = 0, 5 + 1 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 6 9 1.
8967+6739 =
< scratch > [8, 9, 6, 7] has 4 digits. [6, 7, 3, 9] has 4 digits. [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 7 0 6.
3896+6296 =
< scratch > [3, 8, 9, 6] has 4 digits. [6, 2, 9, 6] has 4 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 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 [3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 1 9 2.
9816+716 =
< scratch > [9, 8, 1, 6] has 4 digits. [7, 1, 6] has 3 digits. [6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1 [1] + [1] , C = 0, 1 + 1 + 0 = 3, A ->3, C -> 0 [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 3 2.
2877+297 =
< scratch > [2, 8, 7, 7] has 4 digits. [2, 9, 7] has 3 digits. [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 [2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 1 7 4.
8886+2369 =
< scratch > [8, 8, 8, 6] has 4 digits. [2, 3, 6, 9] has 4 digits. [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, 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 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 2 5 5.
9607+9683 =
< scratch > [9, 6, 0, 7] has 4 digits. [9, 6, 8, 3] has 4 digits. [7] + [3] , C = 1, 7 + 3 + 1 = 10, A ->0, C -> 1 [0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0 [6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 </ scratch > sum:1 9 2 9 0.
794+917 =
< scratch > [7, 9, 4] has 3 digits. [9, 1, 7] has 3 digits. [4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 </ scratch > sum:1 7 1 1.
2673+9680 =
< scratch > [2, 6, 7, 3] has 4 digits. [9, 6, 8, 0] has 4 digits. [3] + [0] , C = 0, 3 + 0 + 0 = 3, A ->3, C -> 0 [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 3 5 3.
8919+88 =
< scratch > [8, 9, 1, 9] has 4 digits. [8, 8] has 2 digits. [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [1] + [8] , C = 1, 1 + 8 + 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 7.
98+985 =
< scratch > [9, 8] has 2 digits. [9, 8, 5] has 3 digits. [8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 8 3.
869+9667 =
< scratch > [8, 6, 9] has 3 digits. [9, 6, 6, 7] has 4 digits. [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, 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 3 6.
5485+975 =
< scratch > [5, 4, 8, 5] has 4 digits. [9, 7, 5] has 3 digits. [5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1 [8] + [7] , C = 1, 8 + 7 + 1 = 16, A ->6, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 [5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 4 6 0.
399+795 =
< scratch > [3, 9, 9] has 3 digits. [7, 9, 5] has 3 digits. [9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, 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 4.
7168+5754 =
< scratch > [7, 1, 6, 8] has 4 digits. [5, 7, 5, 4] has 4 digits. [8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1 [6] + [5] , C = 1, 6 + 5 + 1 = 12, A ->2, C -> 1 [1] + [7] , C = 0, 1 + 7 + 0 = 9, A ->9, C -> 0 [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 9 2 2.
328+6799 =
< scratch > [3, 2, 8] has 3 digits. [6, 7, 9, 9] has 4 digits. [8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1 [2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 1 2 7.
7675+5738 =
< scratch > [7, 6, 7, 5] has 4 digits. [5, 7, 3, 8] has 4 digits. [5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1 [6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 4 1 3.