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Problem1258--4.0-02:高精度减

1258: 4.0-02:高精度减

Time Limit: 1 Sec  Memory Limit: 128 MB  Submit: 0  Solved: 2
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Description

给定两个正整数，计算它们的差，计算结果可能为负数。

Input

两个整数，空格分隔

Output

一行，所计算的差

Sample Input Copy 

22 11

Sample Output Copy 

11

HINT

1<=整数长度<=100000

Source/Category

算法 高精度减 
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