Точка върху страната на правоъгълник

using System;

namespace tESt
{
    class Program
    {
        static void Main(string[] args)
        {

            double x1 = double.Parse(Console.ReadLine());
            double y1 = double.Parse(Console.ReadLine());
            double x2 = double.Parse(Console.ReadLine());
            double y2 = double.Parse(Console.ReadLine());
            double x = double.Parse(Console.ReadLine());
            double y = double.Parse(Console.ReadLine());


            var righSide = (x == x2) && y <= y2 && y >= y1;
            var leftSide = (x == x1) && y <= y2 && y >= y1;
            var upSide = (y == y1) && x >= x1 && x <= x2;
            var downSide = (y == y2) && x >= x1 && x <= x2;

            if (righSide || leftSide || upSide || downSide)
                {
                Console.WriteLine("Border");
                }
            else
            {
                Console.WriteLine("Inside / Outside");
            }

        }
    }
}