input
stringlengths
6
12
target
stringlengths
117
294
45+2686 =
< scratch > [4, 5] has 2 digits. [2, 6, 8, 6] has 4 digits. [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1 [4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 [0] + [2] , C = 0, 0 + 2 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 7 3 1.
3+97 =
< scratch > [3] has 1 digits. [9, 7] has 2 digits. [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0.
6456+4288 =
< scratch > [6, 4, 5, 6] has 4 digits. [4, 2, 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 [4] + [2] , C = 0, 4 + 2 + 0 = 7, A ->7, C -> 0 [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 7 4 4.
82+929 =
< scratch > [8, 2] has 2 digits. [9, 2, 9] has 3 digits. [2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 1 1.
557+9695 =
< scratch > [5, 5, 7] has 3 digits. [9, 6, 9, 5] has 4 digits. [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 [5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 2 5 2.
5717+444 =
< scratch > [5, 7, 1, 7] has 4 digits. [4, 4, 4] has 3 digits. [7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1 [1] + [4] , C = 0, 1 + 4 + 0 = 6, A ->6, C -> 0 [7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1 [5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 1 6 1.
2696+9642 =
< scratch > [2, 6, 9, 6] has 4 digits. [9, 6, 4, 2] has 4 digits. [6] + [2] , C = 0, 6 + 2 + 0 = 8, A ->8, C -> 0 [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, 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 3 8.
677+8879 =
< scratch > [6, 7, 7] has 3 digits. [8, 8, 7, 9] has 4 digits. [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 5 5 6.
5705+596 =
< scratch > [5, 7, 0, 5] has 4 digits. [5, 9, 6] has 3 digits. [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, 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 0 1.
3776+97 =
< scratch > [3, 7, 7, 6] has 4 digits. [9, 7] has 2 digits. [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0 [3] + [0] , C = 0, 3 + 0 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 8 7 3.
892+7331 =
< scratch > [8, 9, 2] has 3 digits. [7, 3, 3, 1] has 4 digits. [2] + [1] , C = 0, 2 + 1 + 0 = 3, A ->3, C -> 0 [9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 2 2 3.
83+638 =
< scratch > [8, 3] has 2 digits. [6, 3, 8] has 3 digits. [3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 2 1.
3546+84 =
< scratch > [3, 5, 4, 6] has 4 digits. [8, 4] has 2 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 [5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0 [3] + [0] , C = 0, 3 + 0 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 6 3 0.
3758+8498 =
< scratch > [3, 7, 5, 8] has 4 digits. [8, 4, 9, 8] has 4 digits. [8] + [8] , C = 1, 8 + 8 + 1 = 16, A ->6, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 2 5 6.
2549+883 =
< scratch > [2, 5, 4, 9] has 4 digits. [8, 8, 3] has 3 digits. [9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1 [4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, 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 3 2.
64+339 =
< scratch > [6, 4] has 2 digits. [3, 3, 9] has 3 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 [0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 0 3.
56+849 =
< scratch > [5, 6] has 2 digits. [8, 4, 9] has 3 digits. [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 [5] + [4] , C = 1, 5 + 4 + 1 = 10, A ->0, C -> 1 [0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 0 5.
461+59 =
< scratch > [4, 6, 1] has 3 digits. [5, 9] has 2 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 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 2 0.
917+3837 =
< scratch > [9, 1, 7] has 3 digits. [3, 8, 3, 7] has 4 digits. [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1 [1] + [3] , C = 0, 1 + 3 + 0 = 5, A ->5, C -> 0 [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 7 5 4.
2746+9254 =
< scratch > [2, 7, 4, 6] has 4 digits. [9, 2, 5, 4] has 4 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, 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 [2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 0 0 0.
7106+3724 =
< scratch > [7, 1, 0, 6] has 4 digits. [3, 7, 2, 4] has 4 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 [1] + [7] , C = 0, 1 + 7 + 0 = 8, A ->8, C -> 0 [7] + [3] , C = 1, 7 + 3 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 8 3 0.
8959+1324 =
< scratch > [8, 9, 5, 9] has 4 digits. [1, 3, 2, 4] has 4 digits. [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1 [5] + [2] , C = 0, 5 + 2 + 0 = 8, A ->8, C -> 0 [9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1 [8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 2 8 3.
98+167 =
< scratch > [9, 8] has 2 digits. [1, 6, 7] has 3 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 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 6 5.
119+7188 =
< scratch > [1, 1, 9] has 3 digits. [7, 1, 8, 8] has 4 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 [1] + [1] , C = 0, 1 + 1 + 0 = 3, A ->3, C -> 0 [0] + [7] , C = 0, 0 + 7 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 3 0 7.
1993+1444 =
< scratch > [1, 9, 9, 3] has 4 digits. [1, 4, 4, 4] has 4 digits. [3] + [4] , C = 0, 3 + 4 + 0 = 7, A ->7, C -> 0 [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1 [9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1 [1] + [1] , C = 0, 1 + 1 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 4 3 7.
4149+254 =
< scratch > [4, 1, 4, 9] has 4 digits. [2, 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] + [2] , C = 0, 1 + 2 + 0 = 4, A ->4, C -> 0 [4] + [0] , C = 0, 4 + 0 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 4 0 3.
497+6075 =
< scratch > [4, 9, 7] has 3 digits. [6, 0, 7, 5] has 4 digits. [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 [0] + [6] , C = 0, 0 + 6 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 5 7 2.
9698+400 =
< scratch > [9, 6, 9, 8] has 4 digits. [4, 0, 0] has 3 digits. [8] + [0] , C = 0, 8 + 0 + 0 = 8, A ->8, C -> 0 [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] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 9 8.
5675+962 =
< scratch > [5, 6, 7, 5] has 4 digits. [9, 6, 2] has 3 digits. [5] + [2] , C = 0, 5 + 2 + 0 = 7, A ->7, C -> 0 [7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, 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 3 7.
73+68 =
< scratch > [7, 3] has 2 digits. [6, 8] has 2 digits. [3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1 [7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 1.
7+896 =
< scratch > [7] has 1 digits. [8, 9, 6] has 3 digits. [7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, 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 3.
5939+6029 =
< scratch > [5, 9, 3, 9] has 4 digits. [6, 0, 2, 9] has 4 digits. [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 [3] + [2] , C = 0, 3 + 2 + 0 = 6, A ->6, C -> 0 [9] + [0] , C = 0, 9 + 0 + 0 = 9, A ->9, C -> 0 [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 9 6 8.
9768+5662 =
< scratch > [9, 7, 6, 8] has 4 digits. [5, 6, 6, 2] has 4 digits. [8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1 [9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 4 3 0.
76+64 =
< scratch > [7, 6] has 2 digits. [6, 4] has 2 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 0.
66+189 =
< scratch > [6, 6] has 2 digits. [1, 8, 9] has 3 digits. [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 5 5.
798+682 =
< scratch > [7, 9, 8] has 3 digits. [6, 8, 2] has 3 digits. [8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 [7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 8 0.
88+717 =
< scratch > [8, 8] has 2 digits. [7, 1, 7] has 3 digits. [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 0 5.
414+709 =
< scratch > [4, 1, 4] has 3 digits. [7, 0, 9] has 3 digits. [4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1 [1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0 [4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 2 3.
6376+6792 =
< scratch > [6, 3, 7, 6] has 4 digits. [6, 7, 9, 2] has 4 digits. [6] + [2] , C = 0, 6 + 2 + 0 = 8, A ->8, C -> 0 [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 1 6 8.
794+351 =
< scratch > [7, 9, 4] has 3 digits. [3, 5, 1] has 3 digits. [4] + [1] , C = 0, 4 + 1 + 0 = 5, A ->5, C -> 0 [9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 4 5.
6577+3942 =
< scratch > [6, 5, 7, 7] has 4 digits. [3, 9, 4, 2] has 4 digits. [7] + [2] , C = 0, 7 + 2 + 0 = 9, A ->9, C -> 0 [7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 [6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 1 9.
25+3698 =
< scratch > [2, 5] has 2 digits. [3, 6, 9, 8] has 4 digits. [5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1 [2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 [0] + [3] , C = 0, 0 + 3 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 7 2 3.
537+7464 =
< scratch > [5, 3, 7] has 3 digits. [7, 4, 6, 4] has 4 digits. [7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1 [3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1 [5] + [4] , C = 1, 5 + 4 + 1 = 10, A ->0, C -> 1 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 0 0 1.
576+6895 =
< scratch > [5, 7, 6] has 3 digits. [6, 8, 9, 5] has 4 digits. [6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 4 7 1.
980+1881 =
< scratch > [9, 8, 0] has 3 digits. [1, 8, 8, 1] has 4 digits. [0] + [1] , C = 0, 0 + 1 + 0 = 1, A ->1, C -> 0 [8] + [8] , C = 1, 8 + 8 + 1 = 16, A ->6, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 8 6 1.
5366+1387 =
< scratch > [5, 3, 6, 6] has 4 digits. [1, 3, 8, 7] has 4 digits. [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [3] + [3] , C = 0, 3 + 3 + 0 = 7, A ->7, C -> 0 [5] + [1] , C = 0, 5 + 1 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 7 5 3.
62+179 =
< scratch > [6, 2] has 2 digits. [1, 7, 9] has 3 digits. [2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1 [6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 4 1.
378+479 =
< scratch > [3, 7, 8] has 3 digits. [4, 7, 9] has 3 digits. [8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, 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 </ scratch > sum:8 5 7.
4543+9815 =
< scratch > [4, 5, 4, 3] has 4 digits. [9, 8, 1, 5] has 4 digits. [3] + [5] , C = 0, 3 + 5 + 0 = 8, A ->8, C -> 0 [4] + [1] , C = 0, 4 + 1 + 0 = 5, A ->5, C -> 0 [5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 3 5 8.
4994+694 =
< scratch > [4, 9, 9, 4] has 4 digits. [6, 9, 4] has 3 digits. [4] + [4] , C = 0, 4 + 4 + 0 = 8, A ->8, C -> 0 [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 6 8 8.
7977+35 =
< scratch > [7, 9, 7, 7] has 4 digits. [3, 5] has 2 digits. [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, 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 1 2.
8852+9493 =
< scratch > [8, 8, 5, 2] has 4 digits. [9, 4, 9, 3] has 4 digits. [2] + [3] , C = 0, 2 + 3 + 0 = 5, A ->5, C -> 0 [5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 3 4 5.
5853+455 =
< scratch > [5, 8, 5, 3] has 4 digits. [4, 5, 5] has 3 digits. [3] + [5] , C = 0, 3 + 5 + 0 = 8, A ->8, C -> 0 [5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 3 0 8.
8491+3799 =
< scratch > [8, 4, 9, 1] has 4 digits. [3, 7, 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 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 2 9 0.
1450+956 =
< scratch > [1, 4, 5, 0] has 4 digits. [9, 5, 6] has 3 digits. [0] + [6] , C = 0, 0 + 6 + 0 = 6, A ->6, C -> 0 [5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 [1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 4 0 6.
507+758 =
< scratch > [5, 0, 7] has 3 digits. [7, 5, 8] has 3 digits. [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0 [5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 6 5.
2905+3719 =
< scratch > [2, 9, 0, 5] has 4 digits. [3, 7, 1, 9] has 4 digits. [5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 [2] + [3] , C = 0, 2 + 3 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 6 2 4.
96+89 =
< scratch > [9, 6] has 2 digits. [8, 9] has 2 digits. [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 5.
894+7 =
< scratch > [8, 9, 4] has 3 digits. [7] has 1 digits. [4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, 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 1.
44+198 =
< scratch > [4, 4] has 2 digits. [1, 9, 8] has 3 digits. [4] + [8] , C = 1, 4 + 8 + 1 = 12, A ->2, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 4 2.
95+1267 =
< scratch > [9, 5] has 2 digits. [1, 2, 6, 7] has 4 digits. [5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 [0] + [1] , C = 0, 0 + 1 + 0 = 1, A ->1, C -> 0 </ scratch > sum:1 3 6 2.
77+565 =
< scratch > [7, 7] has 2 digits. [5, 6, 5] has 3 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 [0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 4 2.
336+164 =
< scratch > [3, 3, 6] has 3 digits. [1, 6, 4] has 3 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1 [3] + [1] , C = 0, 3 + 1 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 0 0.
3156+655 =
< scratch > [3, 1, 5, 6] has 4 digits. [6, 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 [1] + [6] , C = 0, 1 + 6 + 0 = 8, A ->8, C -> 0 [3] + [0] , C = 0, 3 + 0 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 8 1 1.
59+1293 =
< scratch > [5, 9] has 2 digits. [1, 2, 9, 3] has 4 digits. [9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 [0] + [1] , C = 0, 0 + 1 + 0 = 1, A ->1, C -> 0 </ scratch > sum:1 3 5 2.
48+2586 =
< scratch > [4, 8] has 2 digits. [2, 5, 8, 6] has 4 digits. [8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, 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 [0] + [2] , C = 0, 0 + 2 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 6 3 4.
979+156 =
< scratch > [9, 7, 9] has 3 digits. [1, 5, 6] has 3 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] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 3 5.
7420+8295 =
< scratch > [7, 4, 2, 0] has 4 digits. [8, 2, 9, 5] has 4 digits. [0] + [5] , C = 0, 0 + 5 + 0 = 5, A ->5, C -> 0 [2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1 [4] + [2] , C = 0, 4 + 2 + 0 = 7, A ->7, C -> 0 [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 7 1 5.
885+5159 =
< scratch > [8, 8, 5] has 3 digits. [5, 1, 5, 9] has 4 digits. [5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [8] + [1] , C = 1, 8 + 1 + 1 = 10, A ->0, C -> 1 [0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 0 4 4.
8595+997 =
< scratch > [8, 5, 9, 5] has 4 digits. [9, 9, 7] has 3 digits. [5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 [8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 5 9 2.
9218+96 =
< scratch > [9, 2, 1, 8] has 4 digits. [9, 6] has 2 digits. [8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, C -> 1 [1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1 [2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0 [9] + [0] , C = 0, 9 + 0 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 3 1 4.
9+8592 =
< scratch > [9] has 1 digits. [8, 5, 9, 2] has 4 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 [0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0 [0] + [8] , C = 0, 0 + 8 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 6 0 1.
73+5337 =
< scratch > [7, 3] has 2 digits. [5, 3, 3, 7] has 4 digits. [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1 [0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0 [0] + [5] , C = 0, 0 + 5 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 4 1 0.
79+523 =
< scratch > [7, 9] has 2 digits. [5, 2, 3] has 3 digits. [9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 [0] + [5] , C = 0, 0 + 5 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 0 2.
570+452 =
< scratch > [5, 7, 0] has 3 digits. [4, 5, 2] has 3 digits. [0] + [2] , C = 0, 0 + 2 + 0 = 2, A ->2, C -> 0 [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 [5] + [4] , C = 1, 5 + 4 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 2 2.
64+797 =
< scratch > [6, 4] has 2 digits. [7, 9, 7] has 3 digits. [4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1 [6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 6 1.
980+37 =
< scratch > [9, 8, 0] has 3 digits. [3, 7] has 2 digits. [0] + [7] , C = 0, 0 + 7 + 0 = 7, A ->7, C -> 0 [8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 1 7.
359+76 =
< scratch > [3, 5, 9] has 3 digits. [7, 6] has 2 digits. [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 3 5.
87+629 =
< scratch > [8, 7] has 2 digits. [6, 2, 9] has 3 digits. [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 1 6.
1954+52 =
< scratch > [1, 9, 5, 4] has 4 digits. [5, 2] has 2 digits. [4] + [2] , C = 0, 4 + 2 + 0 = 6, A ->6, C -> 0 [5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 [1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 0 0 6.
7084+5473 =
< scratch > [7, 0, 8, 4] has 4 digits. [5, 4, 7, 3] has 4 digits. [4] + [3] , C = 0, 4 + 3 + 0 = 7, A ->7, C -> 0 [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [0] + [4] , C = 0, 0 + 4 + 0 = 5, A ->5, C -> 0 [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 5 5 7.
86+6199 =
< scratch > [8, 6] has 2 digits. [6, 1, 9, 9] has 4 digits. [6] + [9] , C = 1, 6 + 9 + 1 = 15, A ->5, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 [0] + [6] , C = 0, 0 + 6 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 2 8 5.
85+1626 =
< scratch > [8, 5] has 2 digits. [1, 6, 2, 6] has 4 digits. [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 [0] + [1] , C = 0, 0 + 1 + 0 = 1, A ->1, C -> 0 </ scratch > sum:1 7 1 1.
919+4611 =
< scratch > [9, 1, 9] has 3 digits. [4, 6, 1, 1] has 4 digits. [9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1 [1] + [1] , C = 0, 1 + 1 + 0 = 3, A ->3, C -> 0 [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [0] + [4] , C = 0, 0 + 4 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 5 3 0.
8889+9532 =
< scratch > [8, 8, 8, 9] has 4 digits. [9, 5, 3, 2] has 4 digits. [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 4 2 1.
5582+4805 =
< scratch > [5, 5, 8, 2] has 4 digits. [4, 8, 0, 5] has 4 digits. [2] + [5] , C = 0, 2 + 5 + 0 = 7, A ->7, C -> 0 [8] + [0] , C = 0, 8 + 0 + 0 = 8, A ->8, C -> 0 [5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1 [5] + [4] , C = 1, 5 + 4 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 8 7.
851+1779 =
< scratch > [8, 5, 1] has 3 digits. [1, 7, 7, 9] has 4 digits. [1] + [9] , C = 1, 1 + 9 + 1 = 10, A ->0, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [8] + [7] , C = 1, 8 + 7 + 1 = 16, A ->6, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 6 3 0.
4292+7871 =
< scratch > [4, 2, 9, 2] has 4 digits. [7, 8, 7, 1] has 4 digits. [2] + [1] , C = 0, 2 + 1 + 0 = 3, A ->3, C -> 0 [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 1 6 3.
35+1069 =
< scratch > [3, 5] has 2 digits. [1, 0, 6, 9] has 4 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 [0] + [0] , C = 0, 0 + 0 + 0 = 1, A ->1, C -> 0 [0] + [1] , C = 0, 0 + 1 + 0 = 1, A ->1, C -> 0 </ scratch > sum:1 1 0 4.
549+772 =
< scratch > [5, 4, 9] has 3 digits. [7, 7, 2] has 3 digits. [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 2 1.
3547+3992 =
< scratch > [3, 5, 4, 7] has 4 digits. [3, 9, 9, 2] has 4 digits. [7] + [2] , C = 0, 7 + 2 + 0 = 9, A ->9, C -> 0 [4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 [3] + [3] , C = 0, 3 + 3 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 5 3 9.
397+1339 =
< scratch > [3, 9, 7] has 3 digits. [1, 3, 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 [3] + [3] , C = 0, 3 + 3 + 0 = 7, A ->7, C -> 0 [0] + [1] , C = 0, 0 + 1 + 0 = 1, A ->1, C -> 0 </ scratch > sum:1 7 3 6.
49+5055 =
< scratch > [4, 9] has 2 digits. [5, 0, 5, 5] has 4 digits. [9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 [0] + [0] , C = 0, 0 + 0 + 0 = 1, A ->1, C -> 0 [0] + [5] , C = 0, 0 + 5 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 1 0 4.
5974+82 =
< scratch > [5, 9, 7, 4] has 4 digits. [8, 2] has 2 digits. [4] + [2] , C = 0, 4 + 2 + 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 [5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 0 5 6.
676+7948 =
< scratch > [6, 7, 6] has 3 digits. [7, 9, 4, 8] has 4 digits. [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 [6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 6 2 4.
95+961 =
< scratch > [9, 5] has 2 digits. [9, 6, 1] has 3 digits. [5] + [1] , C = 0, 5 + 1 + 0 = 6, A ->6, C -> 0 [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 6.
7136+8237 =
< scratch > [7, 1, 3, 6] has 4 digits. [8, 2, 3, 7] has 4 digits. [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [3] + [3] , C = 0, 3 + 3 + 0 = 7, A ->7, C -> 0 [1] + [2] , C = 0, 1 + 2 + 0 = 3, A ->3, C -> 0 [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 3 7 3.
9569+47 =
< scratch > [9, 5, 6, 9] has 4 digits. [4, 7] has 2 digits. [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 [5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0 [9] + [0] , C = 0, 9 + 0 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 6 1 6.
956+8818 =
< scratch > [9, 5, 6] has 3 digits. [8, 8, 1, 8] has 4 digits. [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [5] + [1] , C = 0, 5 + 1 + 0 = 7, A ->7, C -> 0 [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 7 7 4.
6098+127 =
< scratch > [6, 0, 9, 8] has 4 digits. [1, 2, 7] has 3 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 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 [6] + [0] , C = 0, 6 + 0 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 2 2 5.