The choice is yours

#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;
}