#include <iostream>
using namespace std;
/**
* In a game you may choose out of three options.
* One of the three contains a price, the others nothing
* After you choosed one, the moderator opens one of the others - an empty one, and asks you if you want to change your mind.
* What would you do: keep you current choice, or take the other one.
*
* You are allowed to create a program to calculate your changes :-)
* Please do that below
*/
int main() {
cout << "Hello World!";
return 0;
}