using System;

public class Program

{

    public static void Main()

    {

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

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

        Console.Write(new string(' ', n));

        Console.WriteLine(new string('*', 2 * n));

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

        {

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

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

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

        }

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

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

        {

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

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

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

        }

        Console.WriteLine();

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

        Console.Write(new string(' ', n));

        Console.WriteLine(new string('*', 2 * n));  

    }

}