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(InputNum));
		}

		public static bool IsModThree(string InputNum)
		{
			int PlusNum = 0;

			foreach (var Num in InputNum)
				PlusNum += Convert.ToInt32(Num.ToString());

			if (PlusNum % 3 == 0)
				return true;

			else
				return false;
		}

		public static bool IsModFive(string InputNum)
		{
			int LastNum = Convert.ToInt32(InputNum.Substring(InputNum.Length - 1, 1));

			if (LastNum % 5 == 0)
				return true;

			else
				return false;
		}

		public static string IsFizzBuzz(string InputNum)
		{
			bool IsThree = IsModThree(InputNum);
			bool IsFive = IsModFive(InputNum);

			if (IsThree && IsFive)
				return "FizzBuzz";

			if (IsThree)
				return "Fizz";

			if (IsFive)
				return "Buzz";

			return InputNum;
		}

	}


}