05. Parallelepiped

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

namespace ConsoleApp38
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int waves = n - 2;
            int upperDots = 2 * n + 1;
            Console.WriteLine("+{0}+{1}", new string('~', waves), new string('.', upperDots));

            int rightDots = 2 * n;
            for (int i = 0; i < (2 * n) + 1; i++)
            {
                int leftDots = i;
                Console.WriteLine("|{0}\\{1}\\{2}", new string('.', leftDots), new string('~', waves), new string('.', rightDots));
                rightDots--;
            }
            int lowerRightDots = 2 * n;
            for (int i = 0; i < (2 * n) + 1; i++)
            {
                int lowerLeftDots = i;
                Console.WriteLine("{0}\\{1}|{2}|", new string('.', lowerLeftDots), new string('.', lowerRightDots), new string('~', waves));
                lowerRightDots--;
            }
            Console.WriteLine("{0}+{1}+", new string('.', upperDots), new string('~', waves));
        }
    }
}