#include <bits/stdc++.h>
using namespace std;

using ll = long long;
//typedef long long ll;

#define INF (1LL << 31 - 1)
#define INFLL ((1LL << 62) - 1)
#define MOD int(1e9+7)
#define repi(i,j,n) for(int i = (j); i < (n); ++i)
#define rep(i,n) repi(i,0,n)
#define rrep(i,n) for (int i = n; i >= 0; --i)
#define fi first
#define se second
#define all(v) (v).begin(), (v).end()

int vx[8] = {0, 1, 1, 1, 0, -1, -1, -1}, vy[8] = {-1, -1, 0, 1, 1, 1, 0, -1};

inline bool check(int ux, int uy, int x, int y) {
  return (0 <= x and x < ux and 0 <= y and y < uy);
}

inline void init() {
    cin.tie(0);
    ios::sync_with_stdio(false);
}

ll three, five;
string n;

int main() {
  cin >> n;

  string s = n;
  int _size = s.size();
  reverse(s.begin(), s.end());

  rep(i,_size) {
    three += int(s[i] - '0');
    if (i == 0) {
      five += int(s[i] - '0');
    }
    else if (i % 2 == 1) {
      five += 4 * int(s[i] - '0');
    }
    else five += 6 * int(s[i] - '0');
  }

  if (three % 3 == 0 and five % 5 == 0) {
    cout << "FizzBuzz\n";
  }
  else if (three % 3 == 0) {
    cout << "Fizz\n";
  }
  else if (five % 5 == 0) {
    cout << "Buzz\n";
  }
  else cout << n << "\n";

  return 0;
}