Задача 5. Кукерска маска

using System;

namespace ConsoleApp2
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int width = (2 * n) + 2;

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

            Console.WriteLine(new string('-', width));

            Console.Write('|');
            Console.Write(new string(' ', n / 2 - 1));
            Console.Write('_');
            Console.Write(new string(' ', n + 1));
            Console.Write('_');
            Console.Write(new string(' ', n / 2 - 1));
            Console.WriteLine('|');

            Console.Write('|');
            Console.Write(new string(' ', n / 2 - 1));
            Console.Write('@');
            Console.Write(new string(' ', n + 1));
            Console.Write('@');
            Console.Write(new string(' ', n / 2 - 1));
            Console.WriteLine('|');

        }
    }
}