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

#include<stdio.h>
int main(){
    int a,b;
    while(~scanf("%d %d",&a,&b)){
        printf("%d\n",a+b);        
    }
    

    return 0;
}