#include <fstream>
#include <string>
using namespace std;
string input = "/home/christian/apps/standardinput/date.in";
string output = "/home/christian/apps/standardoutput/date.out";

#if INFOARENA
    input = "adunare.in";
    output = "adunare.out";
#endif

ifstream fi(input);
ofstream fo(output);

int main()
{
    int a, b;
    fi>>a>>b;
    fo<<a+b;

}