#include <bits/stdc++.h>

using namespace std;

using int64 = long long;

int main()
{
  string N;
  cin >> N;

  int latte = 0, malta = 0;
  for(int i = 0; i < N.size(); i++) {
    char c = N[i] - '0';
    latte = latte * 4 + c;
    malta = malta * 4 + c;

    while(latte >= 3) latte -= 3;
    while(malta >= 5) malta -= 5;
  }
  if(latte == 0 && malta == 0) cout << "FizzBuzz" << endl;
  else if(latte == 0) cout << "Fizz" << endl;
  else if(malta == 0) cout << "Buzz" << endl;
  else cout << N << endl;

}