링크 : https://www.acmicpc.net/problem/15552
/*
문제 : 빠른 A+B
링크 : https://www.acmicpc.net/problem/15552
*/
#include<iostream>
using namespace std;
int main(){
cin.tie(NULL);
ios_base::sync_with_stdio(false);
int n;
cin >> n;
for(int i = 0; i < n; i++){
int a, b;
cin >> a >> b;
cout << a + b << '\n';
}
}