#!/usr/bin/env python
total = 0

with open("inputd5.txt", "r") as f:
	for line in f:
		vowels = 0
		previous_letter = ""
		double_letter = False

		for c in line:
			naughty = False
			
			if c in ["a", "e", "i", "o", "u"]:
				vowels += 1

			if c == previous_letter:
				double_letter = True

			if (previous_letter == "a" and c == "b"):
				naughty = True

			if (previous_letter == "c" and c == "d"):
				naughty = True

			if (previous_letter == "p" and c == "q"):
				naughty = True

			if (previous_letter == "x" and c == "y"):
				naughty = True

			if (naughty):
				break

			previous_letter = c
		
		if (naughty == False and vowels >= 3 and double_letter == True):
			total += 1

		double_letter = False
		previous_letter = ""
		vowels = 0

print(total)