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

class Program
{
    public void Proc()
    {
        Reader.IsDebug = false;
        this.baseArr = this.GetBaseArr(0).OrderBy(a=>a).ToArray();
        long ans = this.GetAns(long.Parse(Reader.ReadLine()));
        Console.WriteLine(ans);
    }
    private long[] ferArr = new long[]{3, 5, 17, 257, 65537};
    private long[] baseArr;
    
    Dictionary<int, List<long>> tmp = new Dictionary<int, List<long>>();
    List<long> GetBaseArr(int idx) {
        if(tmp.ContainsKey(idx)) {
            return tmp[idx];
        }
        List<long> ans = new List<long>();
        if(idx == ferArr.Length - 1) {
            ans.Add(1);
            ans.Add(ferArr[idx]);
        } else
        {
            List<long> ret = this.GetBaseArr(idx + 1);
            ans.AddRange(ret);
            ret.ForEach(a=>ans.Add(a * ferArr[idx]));
        }
        tmp.Add(idx, ans);
        return ans;
    }
    
    private long GetAns(long target) {
        long cnt = 0;
        foreach (long baseNum in this.baseArr)
        {
            if(baseNum > target) {
                break;
            }
            long mul = 1;
            while (mul * baseNum <= target)
            {
                if(mul * baseNum >= 3) {
                    cnt++;
                }
                mul *= 2;
            }
        }
        return cnt;
    }
    
    public class Reader
    {
        public static bool IsDebug = true;
        private static String PlainInput = @"

1000000000

 
";
        private static System.IO.StringReader Sr = null;
        public static string ReadLine()
        {
            if (IsDebug)
            {
                if (Sr == null)
                {
                    Sr = new System.IO.StringReader(PlainInput.Trim());
                }
                return Sr.ReadLine();
            }
            else
            {
                return Console.ReadLine();
            }
        }
        public static int[] GetInt(char delimiter = ' ', bool trim = false)
        {
            string inptStr = ReadLine();
            if (trim)
            {
                inptStr = inptStr.Trim();
            }
            string[] inpt = inptStr.Split(delimiter);
            int[] ret = new int[inpt.Length];
            for (int i = 0; i < inpt.Length; i++)
            {
                ret[i] = int.Parse(inpt[i]);
            }
            return ret;
        }
    }
    static void Main()
    {
        Program prg = new Program();
        prg.Proc();
    }
}