public Int part_two(string input)
{
var computer = Computer.Parse(input).Update(position: 0, value: 2);
var game = new Arcade().Update(computer.Run(new RunArguments(
haltOnInput: true,
haltOnOutput: false)).Output);
while (!computer.Finished)
{
var move = Math.Sign(game.Ball.X - game.Paddle.X);
var results = computer.Run(new RunArguments(
haltOnInput: true,
haltOnOutput: false, move));
game.Update(results.Output);
}
return(game.Score);
}