SoftuniLogo

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

namespace SoftUniLogo
{
    class Program
    {
        static void Main(string[] args)
        {
            int size = int.Parse(Console.ReadLine());
            int height = 4 * size - 2;
            int width = 12 * size - 5;

            int dots = width / 2;
            int hashtag = 1;
            for (int i = 1; i <= height / 2; i++)
            {
                Console.WriteLine("{0}{1}{0}", new string('.', dots), new string('#', hashtag));
                dots -= 3;
                hashtag += 6;
            }
            Console.WriteLine(new string('#', width));
            int leftDots = 2;
            int rightDots = 3;
            int btwHashtags = width - 6;
            for (int i = 1; i <= height / 4 - 1; i++)
            {
                Console.WriteLine("|{0}{1}{2}", new string('.', leftDots), new string('#', btwHashtags), new string('.', rightDots));
                leftDots += 3;
                btwHashtags -= 6;
                rightDots += 3;
            }
            for (int i = 1; i <= size; i++)
            {
                if (i == size)
                {
                    Console.WriteLine("@{0}{1}{2}", new string('.', width / 4 - 2), new string('#', width / 2 + 4), new string('.', width / 4 - 1));
                    break;
                }
                Console.WriteLine("|{0}{1}{2}",new string('.',width / 4 - 2),new string('#',width / 2 + 4),new string('.',width / 4 - 1));
            }
        }
    }
}