n4 = input()
n10 = 0
for i, num in enumerate(n4[::-1]):
    n10 += int(num) * 4**i

if n10 % 15 == 0:
    print("FizzBuzz")
elif n10 % 3 == 0:
    print("Fizz")
elif n10 % 5 == 0:
    print("Buzz")
else:
    print(n4)