uva10035測資A

Input:

123 456
555 555
123 594
2 3
5 5
3 9
18 7
10 99
23 48
34 13
46 54
23 93
238 384
2873 8892
8623 2548
23849 34034
23 93450
2 92340034
99 123456789
123289 230403
8383843 58940945
34997030 89349944
344984345 398495404
288092388 813940234
288092388 733940234
222222222 333333333
999999999 999999999
0 0

Output:

No carry operation.
3 carry operations.
1 carry operation.
No carry operation.
1 carry operation.
1 carry operation.
1 carry operation.
1 carry operation.
1 carry operation.
No carry operation.
2 carry operations.
1 carry operation.
2 carry operations.
3 carry operations.
3 carry operations.
1 carry operation.
No carry operation.
No carry operation.
2 carry operations.
1 carry operation.
4 carry operations.
5 carry operations.
4 carry operations.
7 carry operations.
7 carry operations.
No carry operation.
9 carry operations.