with open("input.txt","r") as f:
	groups = f.read().split('\n\n')
print(
	(
		sum(len(set.union(*map(set, group.splitlines()))) for group in groups), # you can just call set() directly on string, no need to call list()
		sum(len(set.intersection(*map(set, group.splitlines()))) for group in groups)
	)
)