Sunglases

using System;

namespace Test2
{
    class MainClass
    {
        public static void Main (string[] args)
        {
            int n = int.Parse (Console.ReadLine ());
            var stars = new string ('*', n * 2);
            var spaces = new string (' ', n);
            var lines = new string ('/', n * 2 - 2);
            Console.Write (stars);
            Console.Write (spaces);
            Console.Write (stars);
            Console.WriteLine ();
            for (int i = 0; i < n-2; i++) {
                if (i == (n - 1) / 2 - 1) {
                    Console.Write ("*");
                    Console.Write (lines);
                    Console.Write ("*");
                    Console.Write (new String ('|', n));
                    Console.Write ("*");
                    Console.Write (lines);
                    Console.Write ("*");
                    Console.WriteLine ();
                } else {
                    Console.Write ("*");
                    Console.Write (lines);
                    Console.Write ("*");
                    Console.Write (spaces);
                    Console.Write ("*");
                    Console.Write (lines);
                    Console.Write ("*");
                    Console.WriteLine ();

                }

            }
            Console.Write (stars);
            Console.Write (spaces);
            Console.Write (stars);

        }
    }
}