View Code of Problem 111

#include<bits/stdc++.h>
using namespace std;
 
 
int main() {
	int a, b;
	while (cin >> a >> b) {
		if (a == 0 && b == 0) {
			break;
		}
		else {
			cout << a + b << endl;
		}
	}
	return 0;
}