using System;

namespace LadyBird
{
    class Program
    {
        static void Main()
        {
            int n = int.Parse(Console.ReadLine());
            int rowCount = 2 * n + 1;
            int numberOuterSpaces = (rowCount - 5) / 2;
            string outerSpaces = new string(' ', numberOuterSpaces);
            Console.WriteLine($"{outerSpaces}@   @");
            numberOuterSpaces++;
            outerSpaces = new string(' ', numberOuterSpaces);
            Console.WriteLine($"{outerSpaces}\\_/");
            Console.WriteLine($"{outerSpaces}/ \\");
            Console.WriteLine($"{outerSpaces}|_|");

            int numberInnerSpaces = 0;
            string innerSpaces = new string(' ', numberInnerSpaces);

            for (int i = 0; i < n; i++)
            {
                Console.WriteLine($"{outerSpaces}/{innerSpaces}|{innerSpaces}\\");
                numberOuterSpaces--;
                numberInnerSpaces++;
                if (numberOuterSpaces < 0)
                {
                    break;
                }
                innerSpaces = new string(' ', numberInnerSpaces);
                outerSpaces = new string(' ', numberOuterSpaces);
            }

            for (int i = 0; i < n / 2; i++)
            {
                numberInnerSpaces = (n - 1) / 2;
                numberOuterSpaces = (rowCount - numberInnerSpaces * 2 - 5) / 2;
                innerSpaces = new string(' ', numberInnerSpaces);
                outerSpaces = new string(' ', numberOuterSpaces);
                Console.WriteLine($"|{outerSpaces}@{innerSpaces}|{innerSpaces}@{outerSpaces}|");
            }

            numberOuterSpaces = 0;
            numberInnerSpaces = (rowCount - 3) / 2;
            for (int i = 0; i < n / 2; i++)
            {
                innerSpaces = new string(' ', numberInnerSpaces);
                outerSpaces = new string(' ', numberOuterSpaces);
                Console.WriteLine($"{outerSpaces}\\{innerSpaces}|{innerSpaces}/{outerSpaces}");
                numberInnerSpaces--;
                numberOuterSpaces++;
            }
            int numberOfArrows = n / 2;
            numberOuterSpaces = (rowCount - 2 * numberOfArrows - 1) / 2;

            string arrows = new string('^', numberOfArrows);
            outerSpaces = new string(' ', numberOuterSpaces);
            Console.WriteLine($"{outerSpaces}{arrows}|{arrows}");
        }
    }
}