ID: 1860

Type: Default

1000ms

256MiB

Difficulty: 2

Uploaded By:

于心宇120428

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简单

No testdata at current.

Input

两个整数A,B 和一个运算符

Output

结果

Samples

123 500 +

Limitation

-0x3f3f3f3f<A,B<0x3f2f3f3f