Programming Basics / 4.Complex-Conditions / 13.PointFigure2

using System;

namespace _0._0._1.Practice
{
    class Program
    {
        static void Main(string[] args)
        {
            var h = int.Parse(Console.ReadLine());
            var x = int.Parse(Console.ReadLine());
            var y = int.Parse(Console.ReadLine());

            var botXstart = 0;
            var botXend = 3 * h;
            var botYstart = 0;
            var botYend = h;

            var topXstart = h;
            var topXend = 2 * h;
            var topYstart = h;
            var topYend = 4 * h;

            var inBotRectangle = (x > botXstart && x < botXend) && (y > botYstart && y < botYend);
            var inTopRectangle = (x > topXstart && x < topXend) && (y > topYstart && y < topYend);
            var middleLine = (x > h && x < 2 * h && y == h);

            var onBotBorderXdown = (x >= 0 && x <= 3 * h && y == 0);
            var onBotBorderXUp = (((x >= 0 && x <= h) || (x >= 2 * h && x <= 3 * h)) && y == h);
            var onBotBorderYboth = ((y >= 0 && y <= h) && x == 0) || ((y >= 0 && y <= h) && x == 3 * h);
            var onTopBorderXUp = (x >= h && x <= 2 * h) && y == 4 * h;
            var onTopBorderYleft = ((y > h && y < 4 * h) && x == h);
            var onTopBorderYright = ((y > h && y < 4 * h) && x == 2 * h);

            if (inBotRectangle || inTopRectangle || middleLine)
            {
                Console.WriteLine("inside");
            }
            else if (onBotBorderXdown || onBotBorderXUp || onBotBorderYboth || onTopBorderXUp || onTopBorderYleft || onTopBorderYright)
            {
                Console.WriteLine("border");
            }
            else
            {
                Console.WriteLine("outside");
            }
        }
    }
}