#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <sstream>
#include <cmath>

using namespace std;

int main() {

	string s ;
	cin>>s;

/*	int digit[s.length()];
	for(int i=0;i<s.length();i++){
		digit[i] = s[i]-'0';

	}*/

	unsigned long long ans =0;
	for(int i=s.length()-1;i>=0;i--){

		if(i==0){
			ans = (ans+(s[i]-'0'));
		}else {
			ans = (ans+(s[i]-'0'))*4;
		}

	}

	if(ans %15 ==0){
		cout<<"FizzBuzz"<<endl;
	}else if (ans %3 ==0) {
		cout<<"Fizz"<<endl;
	}else if (ans % 5==0) {
		cout<<"Buzz"<<endl;
	}else {
		cout<<s<<endl;
	}
return 0;
}