def Base_n_to_10(X,n):
    out = 0
    for i in range(1,len(str(X))+1):
        out += int(X[-i])*(n**(i-1))
    return out

n = input()

x = Base_n_to_10(n,4)

if x % 15 == 0:
    print('FizzBuzz')
elif x % 5 == 0:
    print('Buzz')
elif x % 3 == 0:
    print('Fizz')
else:
    print(n)