#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a,b;
    while(cin>>a>>b)
        cout<<a+b<<endl;

	return 0;
}

/**************************************************************
	Problem: 1001
	User: hbq
	Language: C++
	Result: Accepted
	Time:19 ms
	Memory:2072 kb
****************************************************************/