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

class Program
{
    public void Proc()
    {
        Reader.IsDebug = false;
        int itemCount = int.Parse(Reader.ReadLine());
        this.NumList = Reader.ReadLine().Split(' ').Select(a=>int.Parse(a)).OrderBy(a=>a).ToArray();
        int ans = 1;

        for(int i=0; i<NumList.Length; i++) {
            ans = Math.Max(ans, this.GetAns(i));
        }
        Console.WriteLine(ans);
    }

    private int[] NumList;

    private Dictionary<int, int> dic = new Dictionary<int, int>();

    private int GetAns(int idx) {
        if(dic.ContainsKey(idx)) {
            return dic[idx];
        }
        int ans = 1;

        for(int i=idx+1; i<NumList.Length; i++) {
            
            if(NumList[i] > NumList[idx] && NumList[i] % NumList[idx] == 0) {
                int ret = this.GetAns(i);
                ans = Math.Max(ans, ret + 1);
            }
        }
        dic.Add(idx, ans);
        return ans;
    }

    public class Reader
    {
        public static bool IsDebug = true;
        private static String PlainInput = @"


7
3 4 8 9 16 27 432




 
";
        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();
            }
        }

    }
    static void Main()
    {
        Program prg = new Program();
        prg.Proc();
    }
}