Java

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

namespace Java
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int firstSpaces = n;
            int seconSpaces = 2 * n;
            int oneSpace = 1;
            for (int i = 0; i < n; i++)
            {
                Console.WriteLine("{0}{1}{2}{1}{2}{1}{2}{3}",new string(' ',firstSpaces),new string('~',1),new string(' ',oneSpace),new string(' ',seconSpaces));
            }
            Console.WriteLine("{0}",new string('=',3*n+5));
            oneSpace = n - 1;
            for (int i = 1; i <= n-2; i++)
            {
                if (i == n / 2)
                {


                        Console.Write("{0}{1}", new string('|', 1), new string('~', n));
                        Console.Write("JAVA");
                        Console.WriteLine("{0}{1}{2}{1}", new string('~', n), new string('|', 1), new string(' ', oneSpace));


                }
                else
                {

                    Console.WriteLine("{0}{1}{0}{2}{0}", new string('|', 1), new string('~', 2*n+4), new string(' ', oneSpace));
                }
            }
            Console.WriteLine("{0}", new string('=', 3 * n + 5));
            firstSpaces = 0;
            seconSpaces = n;
            int monkeyA = 2 * n + 4;
            for (int i = 0; i < n; i++)
            {
                Console.WriteLine("{0}{1}{2}{3}{4}",new string (' ',firstSpaces),new string('\\',1),new string('@',monkeyA),new string('/',1),new string(' ',seconSpaces));
                firstSpaces++;
                seconSpaces++;
                monkeyA -= 2;
            }
            seconSpaces=n;

            Console.WriteLine("{0}{1}{0}",new string('=',seconSpaces),new string('=',6));
        }
    }
}