#include <fstream>

int main() {

    std::ifstream in;
    std::ofstream out;
    int a, b;

    in.open("adunare.in");
    if ( in.fail() ) return 1;
    in >> a >> b;
    in.close();
    out.open("adunare.out");
    if ( out.fail() ) return 1;
    out << a + b;
    out.close();

    return 0;
}