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- #!/usr/bin/env python3
- import sys
- def parse(f):
- cur = []
- for line in f:
- if line == '\n':
- yield cur
- cur = []
- else:
- cur.append(line.rstrip())
- yield cur
- groups = list(parse(sys.stdin))
- print(sum(len(set.union(*map(set, g))) for g in groups))
- print(sum(len(set.intersection(*map(set, g))) for g in groups))
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