using System;

public class Program

{

    public static void Main()

    {

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

        for(int i=1; i<=(n+1)/2; i++)

        {

            if(n%2==0)

            {

                Console.Write(new string('_',n/2-i));

                Console.Write(new string('*',2*i));

                Console.WriteLine(new string('_',n/2-i));

            }

            else if(n%2==1)

            {

                Console.Write(new string('_',n/2-(i-1)));

                Console.Write(new string('*',i+i-1));

                Console.WriteLine(new string('_',n/2-(i-1)));

            }

        }

        for(int i=1; i<=n/2; i++)

        {

            Console.Write(new string('|',1));

            Console.Write(new string

        }

    }

}