namespace Java
{
    using System;

    static class Java
    {
        static void Main()
        {
            int n = int.Parse(Console.ReadLine());

            for (int i = 0; i < n; i++) { Console.WriteLine(' '.Times(n) + "~ ".Times(3)); }
            Console.WriteLine('='.Times(3 * n + 5));
            for (int i = 1; i <= n - 2; i++)
            {
                if (i == Math.Ceiling((double)(n - 1) / 2))
                { Console.WriteLine('|' + '~'.Times(n) + "JAVA" + '~'.Times(n) + '|' + ' '.Times(n - 1) + '|'); }
                else { Console.WriteLine('|' + '~'.Times(2 * n + 4) + '|' + ' '.Times(n - 1) + '|'); }
            }
            Console.WriteLine('='.Times(3 * n + 5));
            for (int i = 0; i < n; i++)
            {
                string line = ' '.Times(i) + "\\" + '@'.Times(2 * n + 4 - 2 * i) + '/';
                Console.WriteLine(line);
            }
            Console.WriteLine('='.Times(2 * n + 6));
        }

        static string Times(this char c, int x) => new string(c, x);

        static string Times(this string s, int x)
        {
            string newString = string.Empty;
            for (int i = 0; i < x; i++) { newString += s; }
            return newString;
        }
    }
}