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- #!/usr/bin/env python3
- import sys
- def parse(line):
- nums, char, pw = line.rstrip().split()
- lo, hi = nums.split('-')
- return int(lo), int(hi), char[0], pw
- def valid1(lo, hi, char, pw):
- return lo <= pw.count(char) <= hi
- def valid2(lo, hi, char, pw):
- return lo == hi or (pw[lo - 1] + pw[hi - 1]).count(char) == 1
- passwords = list(map(parse, sys.stdin))
- print(sum(valid1(*p) for p in passwords))
- print(sum(valid2(*p) for p in passwords))
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