Point_In_The_Figure

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

namespace _11.Point_In_The_Figure
{
    class Point_In_The_Figure
    {
        static void Main(string[] args)
        {
            int h = int.Parse(Console.ReadLine().ToLower());
            double xPoint = double.Parse(Console.ReadLine().ToLower());
            double yPoint = double.Parse(Console.ReadLine().ToLower());

            bool isInside = (xPoint < 3 * h && xPoint > 0 && yPoint > 0 && yPoint < h)
                || (xPoint > h && xPoint < 2 * h && yPoint > 0 && yPoint < 4 * h);


            bool isBorder = ((xPoint == 0 && yPoint == 0) || (xPoint == 0 && yPoint <= h && yPoint >= 0)
                || (xPoint <= h && xPoint >= 0 && yPoint == h) || (xPoint == h && yPoint <= 4 * h && yPoint >= 0)
                || (xPoint >= h && xPoint <= 2 * h && yPoint <= 4 * h && yPoint >= 0) || (xPoint >= 2 * h && xPoint <= 3 * h && yPoint == h) || (xPoint == h && yPoint == 0)||(xPoint <= h && xPoint>=0 && yPoint >= 0 && yPoint<=h)||(xPoint>= 2*h && xPoint <= 3*h && yPoint >= 0 && yPoint<=h));

            if (isInside)
            {
                Console.WriteLine("inside");
            }
            else if (isBorder)
            {
                Console.WriteLine("border");
            }
            else
            {
                Console.WriteLine("outside");
            }
        }
    }
}