u=lambda x:6<sum(map(lambda y:5<len(y)and{'by':lambda x:1920<=int(x)<=2002,'iy':lambda x:2010<=int(x)<=2020,'ey':lambda x:2020<=int(x)<=2030,'hg':lambda x:(x[-1]=='m'and 150<=int(x[:-2])<=193)or(x[-1]=='n'and 59<=int(x[:-2])<=76),'hc':lambda x:7==len(x)and'#'==x[0]and int(x[1:],16)>=0,'ec':lambda x:x in'ambblubrngrygrnhzloth','pi':lambda x:len(x)==9,'ci':lambda x:0}[y[:2]](y[4:]),x))
print(sum(map(lambda x:u(x.split()),open("/dev/stdin").read().split("\n\n"))))