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

public class Program
{

    public void Proc()
    {
        long ans = GetAns(long.Parse(Reader.ReadLine()));
        Console.WriteLine(ans);
    }


    private Dictionary<long, long> dic = new Dictionary<long, long>();
    private long GetAns(long num) {
        if(num==0){
            return 1;
        }
        if(dic.ContainsKey(num)) {
            return dic[num];
        }
        long ans = GetAns(num / 3) + GetAns(num / 5);
        dic[num] = ans;
        return ans;
    }


    public class Reader
    {
        private static StringReader sr;
        public static bool IsDebug = false;
        public static string ReadLine()
        {
            if (IsDebug)
            {
                if (sr == null)
                {
                    sr = new StringReader(InputText.Trim());
                }
                return sr.ReadLine();
            }
            else
            {
                return Console.ReadLine();
            }
        }
        private static string InputText = @"


1000000000000000000





";
    }

    public static void Main(string[] args)
    {
#if DEBUG
        Reader.IsDebug = true;
#endif
        Program prg = new Program();
        prg.Proc();
    }
}