#include <bits/stdc++.h>
#include <assert.h>

using namespace std;

int main()
{
  string n;
  cin >> n;
  long long tmp = 0, dig = 1;
  for (int i = 0; i < n.size(); i++)
    tmp = (tmp * 4 + n[i] - '0') % 15;
  if (tmp % 3 == 0)
    cout << "Fizz";
  if (tmp % 5 == 0)
    cout << "Buzz";
  if (tmp % 3 != 0 && tmp % 5 != 0)
    cout << n;
  cout << endl;

  return 0;
}