class Frame
	NOMARK = 0
	SPARE = 1
	STRIKE = 2

	def initialize
		@mark = NOMARK
		@rolls = []
	end

	def addRoll(pins)
		if(@rolls.length < 3)
			@rolls << pins
		end
	end

	def first
		return roll(0)
	end

	def second
		return roll(1)
	end

	def third
		return roll(2)
	end

	def roll(n)
		if(@rolls[n])
			return @rolls[n]
		end
		return 0
	end

	def mark
		if(first == 10)
			return STRIKE
		elsif(first + second == 10)
			return SPARE
		end
		return NOMARK
	end

	def score
		score = first + second
		if(mark != NOMARK)
			score += third
		end
		return score
	end

end

class Game
	def initialize
		@frames = []
		12.times do
			@frames << Frame.new
		end
		@currentRoll = 1
		@frameNum = 0
	end

	def roll(pins)
		(0..@frameNum).each do | n |
			getFrame(n).addRoll(pins)
		end

		if(@currentRoll == 2 || pins == 10)
			@frameNum += 1
			@currentRoll = 1
		else
			@currentRoll = 2
		end
	end

	def getFrame(n)
		return @frames[n]
	end

	def score(n)
		score = 0
		(0..n).each do | frameNum |
			score += getFrame(frameNum).score
		end
		return score
	end

	def finalScore
		return score(9)
	end
end