#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 = n.size() - 1; - 1 < i; i--)
  {
    tmp += dig * (n[i] - '0');
    dig *= 4;
  }
  if (tmp % 3 == 0)
    cout << "Fizz";
  if (tmp % 5 == 0)
    cout << "Buzz";
  if (tmp % 3 != 0 && tmp % 5 != 0)
    cout << n << endl;

  return 0;
}