Problem2112--Swap integer values

2112: Swap integer values

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 199  Solved: 59
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Description

This problem require exchanging the values of integer a and integer b,and then printing the value of a-b.

Input

Given two integers a and b

Output

the value of a-b after exchage

Sample Input Copy 

1,2

Sample Output Copy 

a-b=1

Source/Category

153 
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