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

if n10 % 3 == 0 and n10 % 5 == 0:
    print("FizzBuzz")
elif n10 % 3 == 0:
    print("Fizz")
elif n10 % 5 == 0:
    print("Buzz")
else:
    print(N)