House

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace House
{
    class House
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            string dotTopHalf = new string('.', (n-1) / 2);
            string star = "*";
            string dot = ".";
            string roofTop = dotTopHalf + star + dotTopHalf;
            for (int i = 0; i < (n-1) / 2; i++)
            {
                if (i == 0)
                {
                    Console.WriteLine(roofTop);
                }
                else
                {
                    string dotHalf = new string('.', ((n - 1) / 2) - i);
                    string dotMiddle = new string('.', (2 * i) - 1);
                    Console.WriteLine(dotHalf + star + dotMiddle + star + dotHalf);
                }
            }
            string roofLow = new string('*', n);
            Console.WriteLine(roofLow);
            int wall = n / 4;
            for (int i = 0; i < (n - 1) / 2 - 1; i++)
            {
                Console.Write(new string('.', wall));
                Console.Write(new string('*', 1));
                Console.Write(new string('.', n - 2 * wall - 2));
                Console.Write(new string('*', 1));
                Console.WriteLine(new string('.', wall));
            }
            Console.Write(new string('.', wall));
            Console.Write(new string('*', n - 2 * wall));
            Console.WriteLine(new string('.', wall));
        }
    }
}