public void ParseInput(string line)
{
if (InitialPositionRegex.IsMatch(line)) {
Robot robot = CreateRobot();
robot.ParsePosition(line);
_robots.Add(robot);
}
else if (MoveRegex.IsMatch(line)) {
_robot = _robots.Last();
_robot.ParseMove(line);
Console.WriteLine(_robot.GetCurrentPosition());
}
}