using System;

public class Program

{

    public static void Main()

    {

        int i=0,j=0;

        Console.Write("Masukkan Batas :");

        j=int.Parse(Console.ReadLine());

        while (i<j)

        {

            if (i % 2 == 1)

            {

                Console.Write(i + " ");

            }

            i+=1;

        }

    }

}