House

using System;

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

        int outsideDots = ((n - 1) / 2);
        int insideDots = 1;

        Console.WriteLine("{0}*{0}", new string('.', outsideDots--));
        for (int i = 1; i < (n+1)/2 - 1; i++)
        {
            Console.WriteLine("{0}*{1}*{0}", new string('.', outsideDots), new string('.', insideDots));
            outsideDots--;
            insideDots += 2;
        }
        Console.WriteLine(new string('*', n));

        outsideDots = (n / 4);
        insideDots = (n - 2) - (outsideDots * 2);
        string baseOfHouse =  new string('.', outsideDots) + "*" + new string('.', insideDots) + "*" + new string('.', outsideDots);

        for (int i = 0; i < (n - 1)/2 - 1; i++)
        {
            Console.WriteLine(baseOfHouse);
        }

        Console.WriteLine("{0}{1}{0}", new string('.', outsideDots), new string('*', (insideDots + 2)));
    }
}