hduoj1000,A + B Problem,适应

A + B Problem

Problem Description
Calculate A + B.
 
Input
Each line will contain two integers A and B. Process to end of file.
 
Output
For each case, output A + B in one line.
 
Sample Input
1 1
 
Sample Output
2
 
code:
#include
using namespace std;
int main()
{
    int a,b,sum;
    while(cin>>a>>b)
        cout<


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