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

class Program
{
    static private Magatro M = new Magatro();
    static private void Main(string[]args)
    {
        M.Scan();
        M.Solve();
    }
}

public class Scanner
{
    private string[] S;
    private int Index;
    private char Separator;

    public Scanner(char separator = ' ')
    {
        Index = 0;
        Separator = separator;
        S = new string[0];
    }

    private string[] Line()
    {
        return Console.ReadLine().Split(Separator);
    }

    public string Next()
    {
        string result;
        if (Index >= S.Length)
        {
            S = Line();
            Index = 0;
        }
        result = S[Index];
        Index++;
        return result;
    }
    public int NextInt()
    {
        return int.Parse(Next());
    }
    public double NextDouble()
    {
        return double.Parse(Next());
    }
    public long NextLong()
    {
        return long.Parse(Next());
    }
}

public class Magatro
{
    private int A;
    readonly long[] F = new long[] { 3, 5, 17, 257, 65537 };

    public void Scan()
    {
        Scanner sc = new Scanner();
        A = sc.NextInt();
    }

    public void Solve()
    {
        int cnt = 0;
        int loop = 1 << 5;
        for(int i = 0; i < loop; i++)
        {
            int cp = i;
            long s = 1;
            for(int j = 0; j < 5; j++)
            {
                if (cp % 2 == 1)
                {
                    s *= F[j];
                }
                cp /= 2;
            }
            for(int j = 1; true; j *= 2)
            {

                if (A < s * j)
                {
                    break;
                }
                cnt++;
            }
        }
        Console.WriteLine(cnt-2);
    }

}