#include<iomanip>
#include<iostream>
#include <fstream>
using namespace std;
int main()
{
  ofstream file;
  ifstream gile;
  file.open("output.txt");
  gile.open("input.txt");
  int x,y;
  gile>>x>>y;
  cout<<x<<y;
  x=x+y;
  cout<<x;
  file << "Привет, мир!";
  file.close();
  return 0;
}