#include <iostream>
#include <vector>

int main(){
	std::cin.tie(0);
	std::ios::sync_with_stdio(false);

	std::string str;
	std::vector<char> num;
	unsigned long long ans = 0;

	std::cin >> str;

	for(int i = 0; i < str.size(); ++i){
		num.emplace_back(str[i]);
	}

	int tmp = 1;
	for(auto itr = num.rbegin(); itr != num.rend(); ++itr){
		char c = *itr;
		int n = int(c - '0');

		ans += tmp * n;
		tmp *= 4;
	}

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

	return 0;
}