#include <stdlib.h>
#include <fstream>
using namespace std;
int a, b;

string intToStr(int a){
    char buffer[20];
    sprintf(buffer,"%d",a);
    return buffer;
}

int main()
{
    ifstream fin("adunare.in");
    fin >> a >> b;
    system("touch adunare.out");
    system( string("echo "+intToStr(a+b) +" >> adunare.out").c_str());
    return 0;
}