#include <bits/stdc++.h>

using namespace std;

#define REP(i,n) for(int i=0; i<(int)(n); i++)

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);

  string s;
  cin >> s;

  int n = 0;
  for (char c: s) {
    n = 4 * n + c - '0';
    n %= 15;
  }

  if (n == 0)
    cout << "FizzBuzz" << endl;
  else if (n % 3 == 0)
    cout << "Fizz" << endl;
  else if (n % 5 == 0)
    cout << "Buzz" << endl;
  else
    cout << s << endl;
  
  return 0;
}