03.DrawSunglasses

using System;


class SunGlases
{
    static void Main(string[] args)
    {
        int n = int.Parse(Console.ReadLine());
        Console.WriteLine("{0}{1}{0}",new string('*',n*2),new string(' ',n));

        for (int i = 0; i < n-2; i++)
        {
            Console.WriteLine("*{0}*{1}*{0}*",new string('/', 2*n-2), new string(i== (n-2)/2? '|' : ' ',n ));
        }
        Console.WriteLine("{0}{1}{0}", new string('*', n * 2), new string(' ', n));
    }
}