ScoreFrames()

	public static List<int> ScoreFrames (List<int> score)
	{
		List<int> frame = new List<int> ();
		List<string> result = new List<string> ();
		bool ball1 = true;

		for (int thisRoll = 0; thisRoll < score.Count; thisRoll++)
		{
			if (ball1 && score[thisRoll] == 10) {result.Add ("strike");} 
			else if (!ball1 && (score[thisRoll - 1] + score[thisRoll] == 10)) {result.Add ("spare");}
			else {result.Add ("");}

			if (thisRoll > 1 && (result[thisRoll - 2] == "strike" || (ball1 && result[thisRoll - 1] == "spare")))
			{
				frame.Add (score[thisRoll] + score[thisRoll - 1] + score[thisRoll - 2]);
			} 

			if (result[thisRoll] == "" && !ball1 && frame.Count != 10) 
			{
				frame.Add (score[thisRoll] + score[thisRoll - 1]); 
			}

			if (ball1 && (result[thisRoll] == "" || frame.Count == 10)) {ball1 = false;}
			else {ball1 = true;}
		}

		return frame;
	}