03. Even Powers of 2

using System;

namespace Even_Powers_of_2
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int a = 1;

            for(int i=0;i<=n;i+=2)
            {

             Console.WriteLine(a);
             a *= 4;


            }



        }
    }
}