PointInFigure

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

namespace PointInTheFigure
{
    class Program
    {
        static void Main(string[] args)
        {
            int h = int.Parse(Console.ReadLine());
            int x = int.Parse(Console.ReadLine());
            int y = int.Parse(Console.ReadLine());
            //point inside
            bool first = ((x < 3 * h) && (x > 0) && (y < h)) && (y > 0);
            bool second = ((x > h) && (x < 2 * h) && (y == h));
            bool third = ((x > h) && (x < 2 * h) && (y > h) && (y < 4 * h));
            //point on a border
            bool a = (x == 0) && (y >= 0) && ((y < h) || (y == h));
            bool b = (y == 0) && ((x == 3 * h) || (x < 3 * h));
            bool c = (y == h) && ((x < 3 * h) || (x == 3 * h))&&((x==2*h)||(x>2*h));
            bool d = (x == 3 * h) && (y >= 0) && ((y < h) || (y == h));
            bool e = (y == h) && ((x > 0) || (x == 0)) && ((x < h) || (x == h));
            bool f = (y == 4 * h) && ((x == h) || (x > h)) && ((x < 2 * h) || (x == 2 * h));
            bool g = (x == h) && ((y > h) || (y == h)) && ((y < 4 * h) || (y == 4 * h));
            bool i = (x == 2 * h) && ((y == h) || (y > h)) && ((y < 4 * h) || (y == 4 * h));

            if ((x < 0) || (y < 0))
            {
                Console.WriteLine("outside");
            }
            else if (  first==true||second==true  || third==true)
            {
                Console.WriteLine("inside");
            }
            else if (a == true || b == true || c == true || d == true || e == true || f == true || g == true || i == true)
            {
                Console.WriteLine("border");
            }
            else
            {
                Console.WriteLine("outside");
            }


        }
    }
}