ZornitsaSerbezova_Diamond

using System;

class Program
{
    static void Main()
    {
            int n = int.Parse(Console.ReadLine());
            int beg = (n - 1) / 2;
            int leftRight;

            for (int i = beg; i >= (-beg); i--)
            {
                leftRight = Math.Abs(i);
                Console.Write("{0}*",new string('-', leftRight));
                var mid = n - 2 * leftRight - 2;
                if (mid >= 0)
                {
                    Console.Write("{0}*",new string('-', mid));
                }
                Console.WriteLine(new string('-', leftRight));
            }
    }
}