def fizzbuzz(n: int) -> str:
    if n % 15 == 0:
        return 'FizzBuzz'
    if n % 3 == 0:
        return 'Fizz'
    if n % 5 == 0:
        return 'Buzz'
    return str(n)

def main() -> None:
    out = []
    for i in range(1, 21):
        out.append(fizzbuzz(i))
    print(' '.join(out))
if __name__ == '__main__':
    main()