n=int(input())
l=[int(x) for x in str(n)]
sum=0
for i in range(len(l)):
    sum+=l[i]*4**i
if sum%15==0:
    print("FizzBuzz")
elif sum%3==0:
    print("Fizz")
elif sum%5==0:
    print("Buzz")
else:
    print(n)