#include <bits/stdc++.h>

using namespace std;

using int64 = long long;

int main()
{
  int64 N;
  cin >> N;

  int64 val = 0, base = 1;
  while(N > 0) {
    val = val + N % 10 * base;
    base *= 4;
    N /= 10;
  }
  N = val;
  if(N % 15 == 0) cout << "FizzBuzz" << endl;
  else if(N % 3 == 0) cout << "Fizz" << endl;
  else if(N % 5 == 0) cout << "Buzz" << endl;
  else cout << N << endl;

}