#include <iostream>
#include <fstream>
using namespace std;
int main()
{
    ifstream fin;
    ofstream fout;

    fin.open("in.txt", ios::in);
    fout.open("out.txt", ios::out);
    int a, b;
    fin >> a >> b;
    fout << a + b << endl;
    return 0;
}