sunglasses

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Sunglasses
{
    class Program
    {
        static void Main(string[] args)
        {
            var n = int.Parse(Console.ReadLine());
            int slash = (2 * n) - 2;
            int stars = 1;
            int line = n;
            int spaces = n;
            // first row
            for (int f = 1; f <= 2 * n ; f++)
            {
                Console.Write("*");
            }

            for (int l = 1; l <= n; l++)
            {
                Console.Write(" ");
            }

            for (int f = 1; f <= 2 * n; f++)
            {
                Console.Write("*");
            }
            Console.WriteLine();
            //body
            for (int i = 1; i <= n - 2; i++)
            {
                if (i == (n - 1) / 2)
                    Console.WriteLine("{0}{1}{0}{2}{0}{1}{0}", new string('*', stars), new string('/', slash), new string('|', line));
                else
                    Console.WriteLine("{0}{1}{0}{2}{0}{1}{0}", new string('*', stars), new string('/', slash), new string(' ', spaces));

            }

            // last row
            for (int f = 1; f <= 2 * n; f++)
            {
                Console.Write("*");
            }

            for (int l = 1; l <= n; l++)
            {
                Console.Write(" ");
            }

            for (int f = 1; f <= 2 * n; f++)
            {
                Console.Write("*");
            }
            Console.WriteLine();
        }
    }
}