import sys

def input(): return sys.stdin.readline().strip()
def list2d(a, b, c): return [[c] * b for i in range(a)]
def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)]
def list4d(a, b, c, d, e): return [[[[e] * d for j in range(c)] for j in range(b)] for i in range(a)]
def ceil(x, y=1): return int(-(-x // y))
def INT(): return int(input())
def MAP(): return map(int, input().split())
def LIST(N=None): return list(MAP()) if N is None else [INT() for i in range(N)]
def Yes(): print('Yes')
def No(): print('No')
def YES(): print('YES')
def NO(): print('NO')
sys.setrecursionlimit(10 ** 9)
INF = 10 ** 18
MOD = 10 ** 9 + 7
EPS = 10 ** -10

S = input()
MOD = 15

num = 0
for k, s in enumerate(S[::-1]):
    num += pow(4, k, MOD) * int(s)
    num %= MOD

if num % 3 == 0 and num % 5 == 0:
    print('FizzBuzz')
elif num % 3 == 0:
    print('Fizz')
elif num % 5 == 0:
    print('Buzz')
else:
    print(S)