using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("========================");

        Console.WriteLine("         Willdan        ");

        Console.WriteLine("========================");

        Console.WriteLine("Tuliskan bilangan asli : ");

        int n = Convert.ToInt32(Console.ReadLine());

        for (int i = 1; i <= n; i++)

        {

            Console.Write( i + " " );

        }

    }

}