#include<iostream>
#include<vector>
#include<stack>

int rem(std::string s, int m) {
	int ret = 0;
	for (char c : s) {
		ret = (ret * 4 + (c - '0')) % m;
	}
	return ret;
}

int main(){
	std::string n;
	std::cin >> n;
	
	if (rem(n, 15) == 0) {
		std::cout << "FizzBuzz" << std::endl;
	}else if(rem(n, 3) == 0){
		std::cout << "Fizz" << std::endl;
	}else if(rem(n, 5) == 0){
		std::cout << "Buzz" << std::endl;
	}else {
		std::cout << n << std::endl;
	}
}