sunGlasses

using System;

namespace sunGlass
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());

            Console.Write(new string('*',2*n));
            Console.Write(new string(' ', n));
            Console.WriteLine(new string('*', 2 * n));
            for (int row = 0; row < n - 2; row++)
            {
                Console.Write("*");
                Console.Write(new string('/',(2*n)-2));
                Console.Write("*");
                if (row==(n-1)/2-1)
                {
                    Console.Write(new string('|',n));
                }
                else
                {
                    Console.Write(new string(' ', n));
                }
                Console.Write("*");
                Console.Write(new string('/', (2 * n) - 2));
                Console.WriteLine("*");

            }
            Console.Write(new string('*', 2 * n));
            Console.Write(new string(' ', n));
            Console.WriteLine(new string('*', 2 * n));
        }
    }
}