#include <iostream>
#include <fstream>

int suma (int a, int b)
{
    if ( (a + b) < 2000000000) {
        int c = a + b;
        return c;
    }
    else
        return 0;
}

int main() {
    std::fstream in("../adunare.in");
    std::ofstream out("../adunare.out");

    int a,b,c;
    in>>a>>b;
     c =  suma(a,b);
     if (c != 0)
         out<<c<<'\n';
     else
         out<<"nu se poate calcula "<<'\n';
    return 0;
}