#coding: utf-8

def main():
  n4 = input()
  print(fizzbuzz(four2ten(n4)) if fizzbuzz(four2ten(n4)) else n4)
  

def four2ten(n4):
    return int(n4,4)


def fizzbuzz(i):
  if i % 15 == 0:
    return 'FizzBuzz'
  elif i % 3 == 0:
    return 'Fizz'
  elif i % 5 == 0:
    return 'Buzz'
  else:
    return None


if __name__ == '__main__':
  main()