#include<iostream>
#include<fstream>
using namespace std;
int main()
{     int A,B,S;
      ifstream f("adunare.in");
      ofstream g("adunare.out");

       f>>A>>B;
       cin>>A;
       cin>>B;
       S=A+B;
       g<<S;

    f.close();
    g.close();
    return 0;
}