Headphones

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

namespace ConsoleApplication1
{
    class ConsoleApplication1
    {
        static void Main(string[] args)
        {



            int n = int.Parse(Console.ReadLine());
            for (int i = 0; i < n; i++)
            {
                string outerdashes = new string('-', n / 2);
                if (i == 0)
                {
                  string firstLineStars1 = new string('*', n + 2);
                    Console.WriteLine(outerdashes + firstLineStars1 + outerdashes);
                }
                else
                {
                    string innerDashes = new string('-', n);
                    Console.WriteLine(outerdashes + "*" + innerDashes + "*" + outerdashes);
                }
            }
            int equal = 0;
            for (int j = n / 2; j >= 0; j--)
            {



                string headphoneStars = new string('*', n - 2 * j);
                string outerDashes = new string('-', (n - (n - 2 * j)) / 2);
                string innerDashes = new string('-', 1);





                Console.WriteLine(outerDashes + headphoneStars + outerDashes + innerDashes + outerDashes + headphoneStars + outerDashes);



            }


            int equal1 = 0;
            for (int p = 1; p < n / 2 + 1; p++)
            {
                int counter = n - p;
                if (counter % 2 == 0)
                {
                    counter--;
                }
                if (counter == equal)
                {
                    counter -= 2;
               }
                string headphoneStars = new string('*', n - 2  * p);
                   string outerDashes = new string('-', (n - (n - 2 * p)) / 2);
                    string innerDashes = new string('-', 1);

                        Console.WriteLine(outerDashes + headphoneStars + outerDashes + innerDashes + outerDashes + headphoneStars + outerDashes);
                       equal1 = counter;

            }
            }
        }
    }