#include <iostream>
using namespace std;
int main() 
{
    cout << "Your key is : ";
    cout << (10780076>>1);
    cout << (3911784>>2);
    cout << (6781952>>3);
    cout << (14059488>>4);
    cout << endl;

    cout << "Enjoy the game!" << endl;
}

Your key is : 5390038977946847744878718
Enjoy the game!