#include <fstream>
#include <iostream>

int main()
{
    std::ifstream in{"adunare.in"};
    int a, b;
    in >> a >> b;
    in.close();

    std::cout << "out" << std::endl;
    std::cerr << "err" << std::endl;

    std::ofstream of{"adunare.out"};
    of << a + b;
}