#include<bits/stdc++.h>
using namespace std;
int main(){
int n,m;
while (scanf("%d %d",&n,&m)==2){
printf("%d\n",n+m);
}
return 0;
}
/**************************************************************
	Problem: 1001
	User: sucongyi
	Language: C++
	Result: Accepted
	Time:14 ms
	Memory:2076 kb
****************************************************************/