vowels = ["a","e","i","o","u"]
groups = ["ab", "pq", "cd", "xy"]
with open("./input", "r") as file:
    strings = list(file.read().split("\n"))

niceStrings = []

for string in strings:
    n = 0
    dl = False
    notContains = True
    for character in list(string):
        if character in vowels:
            n += 1
    for i in range(len(string)-1):
        if list(string)[i] == list(string)[i+1]:
            dl = True
            break

    for group in groups:
        if group in string:
            notContains = False
            break
    if n >= 3 and dl and notContains:
        niceStrings.append(string)
        print(string, n, dl, notContains)

print(len(niceStrings))