Sunglasses

using System;

  public  class Sunglasses
    {
        public static void Main()
        {
            int N = int.Parse(Console.ReadLine());
            for (int i = 0; i < N; i++)
            {
                if (i == 0 || i == N - 1)
                {
                    Console.WriteLine("{0}{1}{0}", new string('*',N*2), new string(' ', N));
                }
                else if (i == N/2)
                {
                    Console.WriteLine("{0}{1}{0}{2}{0}{1}{0}", new string('*',1), new string('/',N*2-2), new string('|',N));
                }
                else
                {
                    Console.WriteLine("{0}{1}{0}{2}{0}{1}{0}", new string('*', 1), new string('/', N * 2 - 2), new string(' ', N));
                }
            }
        }
    }