View Code of Problem 111

#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<climits>
#include<cmath>
#include<map>
#include<set>

using namespace std;


int main()
{
	int a, b;
	while (cin >> a >> b) {

		if (a == 0 && b == 0)
			break;

		cout << a + b << endl;
	}
}