#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b;
    while(scanf("%d %d",&a, &b) != EOF)                                
    {
        printf("%d\n",a+b);
        }
}
/**************************************************************
	Problem: 1001
	User: linmiaoling
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/