2020-12-04 16:01:59 +00:00
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print(sum(map(lambda x:(lambda x:6<sum(map(lambda y:6<len(y)and{'by':lambda x:x<'2003','iy':lambda x:'2009'<x<'2021','ey':lambda x:'2019'<x<'2031','hg':lambda x:4<len(x)and'm'in x or 77>int(x[:-2])and'n'in x,'hc':lambda x:7==len(x)and'#'in x,'ec':lambda x:x[2]in'buynlh','pi':lambda x:len(x)==9,'ci':lambda x:0}[y[:2]](y[4:]),x)))(x.split()),open(0).read().split("\n\n"))))
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