/******************************************************************************
 * This program prints a hexadecimal countdown.
 * 
 * Copyright © 2020 Richard Lesh.  All rights reserved.
 *****************************************************************************/

#undef NDEBUG

#include <iostream>
#include <string>

using namespace std;

int main(int argc, char **argv) {
    cout << 0x10 << endl;
    cout << 0xF << endl;
    cout << 0xE << endl;
    cout << 0xD << endl;
    cout << 0xC << endl;
    cout << 0xB << endl;
    cout << 0xA << endl;
    cout << 0x9 << endl;
    cout << 0x8 << endl;
    cout << 0x7 << endl;
    cout << 0x6 << endl;
    cout << 0x5 << endl;
    cout << 0x4 << endl;
    cout << 0x3 << endl;
    cout << 0x2 << endl;
    cout << 0x1 << endl;
    cout << "Blastoff!" << endl;
    return 0;
}