#include <bits/stdc++.h>
using namespace std;
long long number;
int main() {
cin >> number;
while (number--) {
long long a , b;
cin >> a >> b;
cout << a + b << endl;
}
return 0;
}

#include <bits/stdc++.h>
using namespace std;
long long number;
int main() {
cin >> number;
while (number--) {
long long a , b;
cin >> a >> b;
cout << a + b << endl;
}
return 0;
}