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凑表达式
Time Limit:1000MS  Memory Limit:32768K

Description:

有一些整数组,每三个数成一组。如果三个数经过四则运算(+、-、×、÷)得出结果0,则输出“yes”,否则输出“no”。当三个数为全0时,表示输入结束。

Sample Input:

1 2 3
3 8 10
100 210 7
900 1 0
0 0 0

Sample Output:

yes
no
no
yes
Status  Submit


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