lines = open("faithful.dat").readlines()
eruptions = []
waits = []
for l in lines:
	lsp = l.split()
	try:
		int(lsp[0])
		next_eruption = float(lsp[1])
		next_wait = int(lsp[2])
		eruptions.append(next_eruption)
		waits.append(next_wait)
	except:
		continue

print(eruptions)
print(waits)