#include<iostream>
#include<string>

using namespace std;

bool check(string s, int m){
    int t = 0;
    for(int i = 0; i < s.size(); i++){
        t = (t * 4 + (s[i] - '0')) % m;
    }
    if(t == 0){
        return true;
    }else{
        return false;
    }
}

int main(){
    string n;
    cin >> n;
    bool f1 = check(n, 3), f2 = check(n, 5);
    if(f1 && f2){
        cout << "FizzBuzz" << endl;
    }else if(f1){
        cout << "Fizz" << endl;
    }else if(f2){
        cout << "Buzz" << endl;
    }else{
        cout << n << endl;
    }
    return 0;
}