C# Basics Exam 12 April - House

using System;

class House
{
    static void Main()
    {
        int n = int.Parse(Console.ReadLine());
        Console.WriteLine("{0}{1}{0}", new string('.', n / 2),
                                        new string('*', 1));
        for (int i = 0; i < n / 3; i++)
        {
            Console.WriteLine("{0}{1}{2}{1}{0}", new string('.', n / 3 - i),
                                                new string('*', 1),
                                                new string('.', 1 + 2 * i));
        }
        Console.WriteLine("{0}", new string('*', n));
        for (int i = 0; i < n / 3; i++)
        {
            Console.WriteLine("{0}{1}{2}{1}{0}", new string('.', n / 4),
                                                new string('*', 1),
                                                new string('.', n - 2*(n/4)-2));
        }
        Console.WriteLine("{0}{1}{0}", new string('.', n / 4),
                                        new string('*', n - 2 * (n / 4)));
    }
}