Sunglasses

using System;

class Sunglasses
{
    public static void Main()
    {
        int height = int.Parse(Console.ReadLine());
        int width = 2 * height;
        string upperPart = new string('*', width);
        string bridge = new string('|', height);
        string bridgeSpace = new string(' ', height);
        int middleOfTheHeight = (height / 2) + 1;

        if (height % 2 != 0)
        {
            Console.WriteLine(upperPart + bridgeSpace + upperPart);
            for (int line = 0 ; line < height-2; line++)
            {
                if (line != (height-2)/2)
                {
                    string lens = new string('/', width - 2);
                    Console.WriteLine("*" + lens + "*" + bridgeSpace + "*" + lens + "*");
                }
                else if (line == (height-2)/2)
                {
                    string lens = new string('/', width - 2);
                    Console.WriteLine("*" + lens + "*" + bridge + "*" + lens + "*");
                }
            }

            string lowerPart = upperPart;
            Console.WriteLine(lowerPart + bridgeSpace + lowerPart);
        }
    }
}