using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;

class TEST{
	static void Main(){
		Sol mySol =new Sol();
		mySol.Solve();
	}
}

class Sol{
	public void Solve(){
		
		int a = 0;
		int keta = 1;
		int mod = 15;
		int N = S.Length;
		for(int i=N-1;i>=0;i--){
			int num = S[i] - '0';
			a += num * keta;
			a %= mod;
			keta *= 4;
			keta %= mod;
		}
		
		switch(a){
			case 3:
			case 6:
			case 9:
			case 12:
				Console.WriteLine("Fizz"); break;
			case 5:
			case 10:
				Console.WriteLine("Buzz"); break;
			case 0:
				Console.WriteLine("FizzBuzz"); break;
			default:
				Console.WriteLine(S);
				break;
		}
		
		
	}
	String S;
	public Sol(){
		S = rs();
	}

	static String rs(){return Console.ReadLine();}
	static int ri(){return int.Parse(Console.ReadLine());}
	static long rl(){return long.Parse(Console.ReadLine());}
	static double rd(){return double.Parse(Console.ReadLine());}
	static String[] rsa(char sep=' '){return Console.ReadLine().Split(sep);}
	static int[] ria(char sep=' '){return Array.ConvertAll(Console.ReadLine().Split(sep),e=>int.Parse(e));}
	static long[] rla(char sep=' '){return Array.ConvertAll(Console.ReadLine().Split(sep),e=>long.Parse(e));}
	static double[] rda(char sep=' '){return Array.ConvertAll(Console.ReadLine().Split(sep),e=>double.Parse(e));}
}