#include "bits/stdc++.h"
using namespace std;
#define ll long long int
#define rep(i,n) for( int i = 0; i < n; i++ )
#define rrep(i,n) for( int i = n; i >= 0; i-- )
#define REP(i,s,t) for( int i = s; i <= t; i++ )
#define RREP(i,s,t) for( int i = s; i >= t; i-- )
#define dump(x)  cerr << #x << " = " << (x) << endl;
#define INF 2000000000
#define mod 1000000007
#define INF2 1000000000000000000


int main(void)
{
    cin.tie(0);
    ios::sync_with_stdio(false);
	string S; cin >> S;
	int digitsum = 0;
	int remainder = 0;
	rep(i, S.length()) {
		digitsum += S[i] - '0';
		remainder += (S[i] - '0') * ((((int)S.length() - i) % 2 == 1) * 3 + 1);
	}
	int flag = 1;
	if (digitsum % 3 == 0) flag *= 3;
	if (remainder % 5 == 0) flag *= 5;
	if (flag == 3) {
		cout << "Fizz" << endl;
	}
	else if (flag == 5) {
		cout << "Buzz" << endl;
	}
	else if (flag == 15) {
		cout << "FizzBuzz" << endl;
	}
	else cout << S << endl;

    return 0;
}