using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;

namespace _4FizzBuzz
{
	class Program
	{
		static void Main()
		{
			string InputNum = Console.ReadLine();
			Console.WriteLine(IsFizzBuzz(ConvertNumber(InputNum), InputNum));
		}

		public static int ConvertNumber(string InputNum)
		{
			var TempStack = new Stack<int>();

			foreach (var Num in InputNum)
				TempStack.Push(int.Parse(Num.ToString()));

			var NumList = new List<int>();

			do { NumList.Add(TempStack.Pop()); } while (TempStack.Count != 0);

			int ReturnNum = 0;

			for (int i = 0; i < NumList.Count; i++)
			{		
				ReturnNum += Convert.ToInt32(Math.Pow(4, i) * NumList[i]);
			}

			return ReturnNum;
		}

		public static string IsFizzBuzz(int Num, string InputNum)
		{
			if (Num % 3 == 0 && Num % 5 == 0)
				return "FizzBuzz";

			if (Num % 3 == 0)
				return "Fizz";

			if (Num % 5 == 0)
				return "Buzz";

			return InputNum;
		}

	}


}