#include <iostream>
#include <vector>

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

	std::string str;
	std::cin >> str;
	
	unsigned long long sum = 0, esum = 0, osum = 0;
	for(int i = 0; i < str.size(); ++i){
		int n = str[i] - '0';

		sum += n;
		if((str.size() - i) % 2 == 0){
			esum += n;
		}
		else{
			osum += n;
		}
	}

	long long diff = esum - osum;
	if(diff < 0){
		diff = -diff;
	}
	if(sum % 3 == 0 && diff % 11 == 0){
		std::cout << "FizzBuzz" << std::endl;
	}
	else if(sum % 3 == 0){
		std::cout << "Fizz" << std::endl;
	}
	else if(diff % 11 == 0){
		std::cout << "Buzz" << std::endl;
	}
	else{
		std::cout << str << std::endl;
	}

	return 0;
}