Console.WriteLine("**********4");
            Console.WriteLine("Type shape size");
            int k;
            int size = int.Parse(Console.ReadLine());
            for (int i = 0; k < size; i++)
            {
                for (int i = 0; i < size - k; i++)
                {
                    Console.Write(" ");
                }
                for (int i = 0; i < k; i++)
                {
                    if ((i == 0) || (i == katan - 1) || k == size) Console.Write("*");
                    else Console.Write(" ");
                    }
                Console.WriteLine();
                    }
            Console.WriteLine();