#include <iostream>
using namespace std;
int main(){
	int T; cin>>T;
	while(T--){
		int a,b;
		cin>>a>>b;
		cout<<a+b<<endl;
	}
}

include

using namespace std; int main() {

int n;
int a, b;
int arr[100];
cin >> n;
for (int i=1;i<=n;i++)
{
	cin >> a >> b;
	arr[i] = a + b;
}
for (int i = 1; i <= n; i++)
{
	cout << arr[i] << " " << endl;
}

}