def fzbz(n):
    l = list(str(n))
    sum = 0
    for i in l:
        sum += int(i)
    if sum % 3 == 0 and l[-1] == '0':
        print("FizzBuzz")
    elif sum % 3 == 0 and l[-1] == '5':
        print("FizzBuzz")
    elif sum % 3 == 0:
        print("Fizz")
    elif l[-1] == '0' or l[-1] == '5':
        print("Buzz")
    else:
        print(N)

N = int(input())
n10 = int(str(N),4)
fzbz(n10)