static void Main(string[] args)
        {
            // create planet
            int width = captureInt("input width of planet (any positive value):", 0);
            int height = captureInt("input height of planet (any positive value):", 0);
            var surface = new Grid(width, height);

            int deathCount = 0;
            while (true)
            {
                //create robot
                int x = captureInt("input x co-ordinate of robot landing site (positive value within the width):", 0, width);
                int y = captureInt("input y co-ordinate of robot landing site (positive value within the height):", 0, height);

                Bearing orientation = Bearing.North;
                switch (captureChar("Press n, s, e or w for facing direction of robot (North, South, East or West) - Case Sensitive:", new char[] {'n', 's', 'e', 'w'}))
                {
                    case 'n':
                        orientation = Bearing.North;
                        break;
                    case 's':
                        orientation = Bearing.South;
                        break;
                    case 'e':
                        orientation = Bearing.East;
                        break;
                    case 'w':
                        orientation = Bearing.West;
                        break;
                }
                var martianRobot = new Robot(new Coordinates(x, y), orientation);
                Console.WriteLine("Enter command sequence using the commands left (L), right (R) and forward (F) - All others will be disregarded");
                string commandSequence = Console.ReadLine().ToUpper();
                //Kills the sequence if the robot is lost - processor efficient, to be memory efficient, optimal strategy would probably be to make a second
                //surface location comparison using onGrid() method
                bool terminateSequence = false;
                foreach (char c in commandSequence)
                {
                    switch (c)
                    {
                        case 'L':
                            martianRobot.Left();
                            break;
                        case 'R':
                            martianRobot.Right();
                            break;
                        case 'F':
                            if (!surface.onGrid(martianRobot.Forward()))
                            {
                                terminateSequence = true;
                                Robot.lostRobot(martianRobot);
                                Console.WriteLine("LOST");
                            }
                            break;
                    }
                    if(terminateSequence == true)
                    {
                        break;
                    }
                }
                int nextStep = captureInt("Select next action: (0) continue perilous robotic deployments to Mars (1) terminate funding for ESA's fruitless endeavours", 0, 1);
                if (nextStep == 1)
                {
                    break;
                }
            }
            Console.WriteLine("Terminated ESA's funding... Future generations will never learn of Mars' strange geometric surface and the dangers there in... Press any key to close");
            Console.ReadKey();
        }
 public static void lostRobot(Robot lostRobot)
 {
     scents.Add(lostRobot.position);
 }