CSUOJ_1000

/*
 *  Title : A+B(I)
 *  Data : 2016/11/09
 *  Author : Andrew
 */

#include <iostream>

int main() {
    int a, b;
    while (std::cin >> a >> b) {
        std::cout << a + b << std::endl;
    }
    return 0;
}