count = [0] * len(scores)
for score in scores:
	count[score]++
medal_count = [0] * 3	//{gold, silver, bronze}
for score in xrange(600, -1, -1):
	if medal_count[0] < len(scores)/12:
		medal_count[0] += count[score]
	if medal_count[1] < len(scores)/4:
		medal_count[1] += count[score]
	if medal_count[2] + score > len(scores)/2:
		break
	medal_count[2] += count[score]