Calculate 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

Sample Output

2

 My Solution:

 

#include
using namespace std;
int main(void)
{
    int a,b;
    while (cin>>a>>b)
        cout<