Diamond

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

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

            int stars = 1;
            int rows = n;

            if (n % 2 == 0)
            {
                stars = 2;
                rows = n - 1;
            }
            int sides = (n - stars) / 2;
            int middle = stars - 2;
            string row;

            for (int i = 1; i <= rows / 2 + 1; i++)
            {
                if (i == 1)
                {
                    row = $"{new string('-', sides)}{new string('*', stars)}{new string('-', sides)}";
                }
                else
                {
                    row = $"{new string('-', sides)}*{new string('-', middle)}*{new string('-', sides)}";
                }
                sides--;
                middle += 2;
                Console.WriteLine(row);
            }
            sides += 2;
            middle -= 4;
            for (int i = 1; i <= rows / 2; i++)
            {
                if (i == rows / 2)
                {
                    row = $"{new string('-', sides)}{new string('*', stars)}{new string('-', sides)}";
                }
                else
                {
                    row = $"{new string('-', sides)}*{new string('-', middle)}*{new string('-', sides)}";
                }
                sides++;
                middle -= 2;
                Console.WriteLine(row);
            }
        }
    }
}