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import re
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print(sum(map(lambda x:6<len(re.findall(r'by.:(1...|200[0-2])|iyr:20(1.|20)|eyr:20(2.|30)|hgt:...(n|cm)|hc.:#.{6}|ec.:..[buynlh]|pi.:\d{9}\b',x)),open(0).read().split("\n\n"))))
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