#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <map>
#include <stack>
#include <cmath>
#include <queue>
#include <numeric>


int main()
{
	std::string s, s2;

	std::cin >> s;
	s2 = s;

	int count3 = 0, count2 = 0, count1 = 0, count0 = 0;

	for (size_t i = 0; i < s.length(); i++)
	{
		if (s[i] == '3') count3++;
		else if (s[i] == '2') count2++;
		else if (s[i] == '1') count1++;
		else count0++;
	}

	while (count2 != 0 && count1 != 0) {
		count3++;
		count2--;
		count1--;
	}

	bool divide3 = false, divide5 = false;

	if (count2 == 0 && count1 == 0) {
		divide3 = true;
	}

	for (size_t i = 0; i < s.length(); i++)
	{
		if (s[i] == '0') continue;
		size_t j = i + 1;
		while (j < s.length())
		{
			if (s[j] == '0') {
				j += 2;
				continue;
			}

			if (s[j] == '3') {
				s[j] = '2';
			}
			else if (s[j] == '2') {
				s[j] = '1';	
			}
			else {
				s[j] = '0';
			}			

			if (s[i] == '3') {
				s[i] = '2';
			}
			else if (s[i] == '2'){
				s[i] = '1';
			}
			else {
				s[i] = '0';
				break;
			}
		}
	}


	divide5 = true;
	for (size_t i = 0; i < s.length(); i++)
	{
		if (s[i] != '0') divide5 = false;
	}

	if (divide3) {
		std::cout << "Fizz";
	}
	if (divide5) {
		std::cout << "Buzz" << std::endl;
	}

	if (!divide3 && !divide5) {
		std::cout << s2 << std::endl;
	}

	return 0;
}