Problem3512--【语言基础】abc431a-Robot Balance

3512: 【语言基础】abc431a-Robot Balance

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Time Limit : 1.000 sec  Memory Limit : 128 MB

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Description

Input

H B

Output

输出答案

Sample Input Copy 

43 1

Sample Output Copy 

42

Source/Category

atcoder 条件 if 
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