#include<iostream>
#include<string>
#include<math.h>

using namespace std;

typedef long long ll;

//文字を整数に
int ctoi(const char c){
    if('0' <= c && c <= '9') return (c-'0');
  return -1;
}
//4から10
ll quatoDec( string s){
    int indexNum=s.size()-1;
    double buff=0;
    ll dec=0;
    for(int i=0;i<s.size();i++){
        dec+=ctoi(s[i])*pow(4,indexNum-i);
    }
    return dec;
}
int main(){

    string str;
    cin>>str;
    ll ans=quatoDec(str);
    if(ans%3==0 && ans%5==0)cout<<"FizzBuzz"<<endl;
    else if(ans%3==0)cout<<"Fizz"<<endl;
    else if(ans%5==0)cout<<"Buzz"<<endl;
    else cout<<str<<endl;
 
    return 0;
}