#include <iostream>
#include <string>
using namespace std;
typedef long long LL;
int main(int argc, char* argv[])
{
	string s;
	cin>>s;
	int sLen=s.length();
	LL v=0;
	int i;
	LL pow4=1;
	for (i=sLen-1;i>=0;i--){
		v+=(s[i]-'0')*pow4;
		pow4*=4;
	}
	if (v%3==0 && v%5!=0){
		cout<<"Fizz"<<endl;
	}else if (v%3!=0 && v%5==0){
		cout<<"Buzz"<<endl;
	}else if (v%3==0 && v%5==0){
		cout<<"FizzBuzz"<<endl;
	}else{
		cout<<s<<endl;
	}
	return 0;
}