A+B

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
2 2
3 3

Sample Output

2
4
6

#include <iostream>

using namespace std;



int main()

{

    int a=0,b=0;

    while(cin>>a>>b)

    {

        cout<<a+b<<endl;



    }



    return 0;

}