#include <iostream>
#include <vector>
#include <string>
#include <cstring>
#include <math.h>
#include <cmath>
#include <limits.h>
#include <map>
#include <set>
#include <queue>
#include <algorithm>
#include <functional>
#include <stdio.h>
using namespace std;

long long MOD = 1000000007;

int main() {
    
    string s;
    cin >> s;
    int x,y;
    x = y = 0;
    for ( int i = 0; i < s.length(); i++ ) {
        int a = s[i]-'0';
        x += a;
        if ( i%2 ) { y += 4*a; }
        else { y += a; }
        
    }

    string ans;
    if ( x%3 == 0 ) { ans += "Fizz"; }
    if ( y%5 == 0 ) { ans += "Buzz"; }
    if ( ans.length() == 0 ) { ans = s; }
    cout << ans << endl;

    return 0;
}