Ladybird

using System;

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

            int with = 2 * n + 1;

            Console.WriteLine("{0}@   @{0}", new string(' ', (2 * n + -4) / 2));
            Console.WriteLine("{0}\\_/{0}", new string(' ', (2 * n + - 2)/ 2  ));
            Console.WriteLine("{0}/ \\{0}", new string(' ', (2 * n + -2) / 2));
            Console.WriteLine("{0}|_|{0}", new string(' ', (2 * n + -2) / 2));

            for (int i = 0; i < n; i++)
            {
                Console.Write("{0}", new string(' ', n - 1 - i));
                Console.Write("/");

                Console.Write("{0}", new string(' ', 0 + i));
                Console.Write("|");
                Console.Write("{0}", new string(' ', 0 + i));

                Console.Write("\\");
                Console.Write("{0}", new string(' ', n - 1 - i));

                Console.WriteLine();
            }
            for (int i = 0; i < n / 2; i++)
            {
                Console.Write("|");

                Console.Write("{0}", new string(' ', (with - (n - 1) - 4) / 2));
                Console.Write("@");
                Console.Write("{0}", new string(' ', (n - 1) / 2));

                Console.Write("|");

                Console.Write("{0}", new string(' ', (n - 1) / 2));
                Console.Write("@");
                Console.Write("{0}", new string(' ', (with - (n - 1) - 4) / 2));

                Console.Write("|");

                Console.WriteLine();
            }

            if (n != 2)
            {
                for (int i = 1; i <= n / 2; i++)
                {
                    Console.Write("{0}", new string(' ', -1 + i));
                    Console.Write("\\");

                    Console.Write("{0}", new string(' ', n - i));
                    Console.Write("|");
                    Console.Write("{0}", new string(' ', n - i));

                    Console.Write("/");
                    Console.Write("{0}", new string(' ', -1 + i));

                    Console.WriteLine();
                }
            }
            var caret = n / 2;
            var space = (with - (2 * caret)) / 2;

            Console.WriteLine("{1}{0}|{0}{1}", new string('^', caret),
                              new string (' ', space));
        }
    }
}

//                  Ladybird

//                 7
//                    @   @
//                     \_/
//                     / \
//                     |_|
//                     /|\
//                    / | \
//                   /  |  \
//                  /   |   \
//                 /    |    \
//                /     |     \
//               /      |      \
//               |  @   |   @  |
//               |  @   |   @  |
//               |  @   |   @  |
//               \      |      /
//                \     |     /
//                 \    |    /
//                   ^^^|^^^