N = int(input())
n10 = 0
L = list(str(N))
for i in range(len(L)):
    n10 += int(L[-(i+1)])*4**i

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)