/* package whatever; // don't place package name! */

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

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		



        Scanner sc = new Scanner(System.in);

        // int 読み込む
        int a = sc.nextInt();

	String ans = "";


	if (a % 3 == 0) {
		ans="Fizz";
	}

	if (a % 5 == 0) {
		ans="Buzz";
	}
		
	if ((a % 5 == 0) && (a % 3 == 0)) {
		ans="FizzBuzz";
	}

        // 書き出す。
        System.out.println(ans);




		
	}
}