Sunglasses

using System;
using System.Linq;

class Program
{
    static void Main()
    {

        int n = int.Parse(Console.ReadLine());
        int k = 0;
        if (n%2==0)
        {
            k = 1;
        }
        //Upper part
        Console.Write(new string('*', 2*n));
        Console.Write(new string(' ', n));
        Console.WriteLine(new string('*', 2 * n));
        //Middle part
        for (int i = 1; i <= n-2; i++)
        {
            Console.Write("*");
            Console.Write(new string('/', 2 * n - 2));
            Console.Write("*");
            if (i==n/2-k)
            {
                Console.Write(new string('|', n));
            }
            else
            {
                Console.Write(new string(' ', n));
            }
            Console.Write("*");
            Console.Write(new string('/', 2 * n - 2));
            Console.WriteLine("*");
        }
        //Lower part
        Console.Write(new string('*', 2 * n));
        Console.Write(new string(' ', n));
        Console.WriteLine(new string('*', 2 * n));

    }
}