Car

using System;

namespace Car
{
    class Car
    {
        static void Main()
        {
            int n = int.Parse(Console.ReadLine());
            int width = 3 * n;
            int height = 3 * (n / 2) - 1;
            int roofBodyHeight = n / 2;
            int wheelsHeight = (n / 2) - 1;

            for (int i = 1; i <= height+1; i++)
            {
                if (i == 1)
                {
                    Console.Write(new string('.', width - 2 * n));
                    Console.Write(new string('*', n));
                    Console.Write(new string('.', width - 2 * n));
                    Console.WriteLine();
                }
                else if (i > 1 && i <= roofBodyHeight)
                {
                    for (int j = 1, k = (width - 2 * n) - 1, m = n; j < roofBodyHeight ; j++, k--, m+=2)
                    {
                        Console.Write(new string('.', k));
                        Console.Write(new string('*', 1));
                        Console.Write(new string('.', m));
                        Console.Write(new string('*', 1));
                        Console.Write(new string('.', k));
                        Console.WriteLine();
                        i++;
                    }
                }
                else if (i == roofBodyHeight+2)
                {
                    Console.Write(new string('*', i-1));
                    Console.Write(new string('.', (width - 2 * i)+2));
                    Console.Write(new string('*', i-1));
                    Console.WriteLine();
                }
                else if (i > roofBodyHeight+2 && i < roofBodyHeight*2+1)
                {
                    Console.Write(new string('*', 1));
                    Console.Write(new string('.', width - 2));
                    Console.Write(new string('*', 1));
                    Console.WriteLine();
                }
                else if (i == roofBodyHeight*2+1)
                {
                    Console.WriteLine(new string('*', width));
                }
                else if (i > roofBodyHeight*2+1 && i < height+1)
                {
                    Console.Write(new string('.', n / 2));
                    Console.Write(new string('*', 1));
                    Console.Write(new string('.', (n / 2) - 1));
                    Console.Write(new string('*', 1));
                    Console.Write(new string('.', n - 2));
                    Console.Write(new string('*', 1));
                    Console.Write(new string('.', (n / 2) - 1));
                    Console.Write(new string('*', 1));
                    Console.Write(new string('.', n / 2));
                    Console.WriteLine();
                }
                else if (i == height+1)
                {
                    Console.Write(new string('.', n/2));
                    Console.Write(new string('*', n / 2 + 1));
                    Console.Write(new string('.', width - ((2*(n/2)+1)+2*(n/2))-1));
                    Console.Write(new string('*', n / 2 + 1));
                    Console.Write(new string('.', n/2));
                    Console.WriteLine();
                }
            }
        }
    }
}