#кол-во бросков
throws = 3

#кол-во граней
sides = 6

for s in range (1, sides * throws + 1):
	wincount = 0
	totalcount = 0
	for i in range (1, sides + 1):
		for j in range (1, sides + 1):
			for k in range (1, sides + 1):
				if i+j+k == s:
					wincount += 1
				totalcount += 1
	probability = wincount/totalcount
	print (s, probability)