import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int value = 0;
        char[] input = sc.next().toCharArray();
        for (char c : input) {
            value *= 4;
            value += c - '0';
            value %= 15;
        }
        if (value == 0) {
            System.out.println("FizzBuzz");
        } else if (value % 3 == 0) {
            System.out.println("Fizz");
        } else if (value % 5 == 0) {
            System.out.println("Buzz");
        } else {
            System.out.println(input);
        }
    }
}

class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public double nextDouble() throws Exception {
        return Double.parseDouble(next());
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
}