import sys


def main(argv):
    n = int(argv)
    if n % 15 == 0:
        print('FizzzBuzz')
    elif n % 5 == 0:
        print('Buzz')
    elif n % 3 == 0:
        print('Fizz')
    else:
        print(n)
if __name__ == '__main__':
    main(sys.argv[-1])