House

using System;



class House
{
    static void Main()
    {
        int N = int.Parse(Console.ReadLine());
        string star = "*";
        string dot = ".";
        int left = N / 2;
        int right = N / 2;


        for (int row = 0; row < ((N + 1) / 2) - 1; row++)
        {
            for (int col = 0; col < N; col++)
            {
                if(row == 0 && col == N /2)
                {
                    Console.Write(star);
                }
                else if( row > 0 && col == left)
                {
                    Console.Write(star);
                }
                else if (row > 0 && col == right)
                {
                    Console.Write(star);
                }
                else
                {
                    Console.Write(dot);
                }


            }




            Console.WriteLine();
            left--;
            right++;
        }

        Console.WriteLine(new string('*', N));

        for (int i = N / 2 + 1; i < N  ; i++)
        {
            if( i == N - 1 )
            {
                Console.Write(new string('.', N / 4));
                Console.Write(new string('*', N - (N / 2)  ));
                Console.WriteLine(new string('.', N / 4));



            }
            else
            {
                Console.WriteLine("{0}*{1}*{0}", new string('.', N / 4), new string('.', N  - N / 2  - 2));
            }
        }
    }
}