#!/usr/bin/env python


passport_req = {'byr', 'iyr', 'eyr', 'hgt', 'hcl', 'ecl', 'pid'}
passport = []

valid = 0
with open("input01.txt","r") as f:
	for line in f:
		line = line.strip()
		if len(line) == 0:
			if len(passport_req.difference(set(passport))) == 0:
				valid += 1
			passport=[]
			continue
		passport += [x.split(":")[0] for x in line.split(" ")]

if len(passport_req.difference(set(passport))) == 0:
	valid += 1

print(valid)