Problem1008--两数之差

1008: 两数之差

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 92  Solved: 54
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Description

输入两个整数a,b(a>b),输出它们的差。

Input

两个整数a和b(a>b)

Output

a和b的差

Sample Input Copy

5 3

Sample Output Copy

2