var n = int.Parse(Console.ReadLine());

            for (int i = 0; i < n * 2; i++)
            {
                Console.Write("%");
            }
            Console.WriteLine();


            if (n % 2 == 0)
            {
                for (int sreda = 0; sreda < n - 1; sreda++)
                {

                    Console.Write("%");
                    Console.Write(new string(' ', n - 2));

                    if (sreda == (n - 1) /2 )
                        Console.Write("**");
                    else
                        Console.Write("  ");

                    Console.Write(new string(' ', n - 2));
                    Console.Write("%");


                    Console.WriteLine();
                }
            }

            else if (n % 2 == 1)
            {
                for (int sreda = 0; sreda < n; sreda++)
                {

                    Console.Write("%");
                    Console.Write(new string(' ', n - 2));
                    if (sreda == (n - 1) / 2)
                        Console.Write("**");
                    else
                        Console.Write("  ");
                    Console.Write(new string(' ', n - 2));
                    Console.Write("%");
                    Console.WriteLine();
                }
            }

            for (int i = 0; i < n * 2; i++)
            {
                Console.Write("%");
            }