point in figure

using System;

namespace cinema
{
    class MainClass
    {
        public static Boolean Inside (double [,] data){
            if ((data[2,0]<data[1,0])&&(data[2,0]>data[0,0])&&(data[2,1]<data[1,1])&&(data[2,1]>data[0,1])) {
                return(true);
            } else {
                return(false);
            }
        }
        public static Boolean Border (double [,] c){
            Boolean left = ((c [2, 0] == c [0, 0]) && (c [2, 1] <= c [1, 1]) && (c [2, 1] >= c [0, 1]));
            Boolean Right = ((c [2, 0] == c [1, 0]) && (c [2, 1] <= c [1, 1]) && (c [2, 1] >= c [0, 1]));
            Boolean Top = ((c [2, 1] == c [1, 1]) && (c [2, 0] <= c [1, 0]) && (c [2, 0] >= c [0, 0]));
            Boolean Bottom = ((c [2, 1] == c [0, 1]) && (c [2, 0] <= c [1, 0]) && (c [2, 0] >= c [0, 0]));
            if (left || Right || Top || Bottom) {
                return(true);
            } else {
                return(false);
            }
        }
        public static void Main (string[] args)
        {
            var h = double.Parse(Console.ReadLine ());
            var x = double.Parse(Console.ReadLine ());
            var y = double.Parse(Console.ReadLine ());
            double[,] coords = new double[3, 2] { { 0.0, 0.0 }, { 3.0 * h, h }, { x, y } };
            Boolean horizontal = Inside (coords);
            Boolean hborder = Border (coords);
            coords = new double[3, 2] {{ h, h }, { 2.0 * h, 4.0 * h }, { x, y } };
            Boolean Vertical = Inside(coords);
            Boolean vborder = Border (coords);
            if ((horizontal||Vertical)||(y==h&&x>h&&x<(2*h))) {
                Console.WriteLine ("inside");
            } else if (hborder||vborder) {
                Console.WriteLine ("border");
            } else {
                Console.WriteLine ("outside");
            }
        }
    }
}