using System;

public class Program

{

    public static void Main()

    {

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

        if (n <= 3)

        {

        Console.WriteLine("{0}{1}{0}", new string('*', 2*n), new string(' ', n));

        Console.WriteLine("*{0}*{1}*{0}*", new string('/', 2*n - 2), new string('|', n));

        Console.WriteLine("{0}{1}{0}", new string('*', 2*n), new string(' ', n));

        }

        else

        {

            Console.WriteLine("{0}{1}{0}", new string('*', 2*n), new string(' ', n));

​

            for (int i = 0; i < n/2 - 1; i++)

            {

                Console.WriteLine("*{0}*{1}*{0}*", new string('/', 2*n - 2), new string(' ', n));

            }

            Console.WriteLine("*{0}*{1}*{0}*", new string('/', 2*n - 2), new string('|', n));

            for (int i = 0; i < n/2 - 1; i++)

            {

                Console.WriteLine("*{0}*{1}*{0}*", new string('/', 2*n - 2), new string(' ', n));

            }

            Console.WriteLine("{0}{1}{0}", new string('*', 2*n), new string(' ', n));

        }

    }

}