문제출처 : https://www.acmicpc.net/problem/10950
#include <iostream>
using namespace std;
int main()
{
ios_base::sync_with_stdio(false);
int T, A, B;
cin >> T;
for (int i = 0; i < T; i++)
{
cin >> A >> B;
cout << A + B << '\n';
}
return 0;
}