n=input()
list1=[]


for j in range(len(n)):
    list1.append(int(n[j])*4**(len(n)-1-j))
#print(sum(list1))

if sum(list1)%15==0:
    print("FizzBuzz")
elif sum(list1)%5==0:
    print("Buzz")
elif sum(list1)%3==0:
    print("Fizz")
else:
    print(int(n))