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

namespace _8
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());

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

            for (int i = 0; i < n - 2; i++)
            {
                Console.Write('*' + new string('/', (n * 2) - 2) + '*');

                if (i == (n - 1) / 2 - 1)
                {
                    Console.Write(new string('|', n));
                } else {
                Console.Write(new string(' ', n));
                }
            Console.WriteLine('*' + new string('/', (n * 2) - 2) + '*');
            }

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

        }
    }
}