i, words = input(), input()

def score_words(words):
    vowels=["a","e","i","o","u","y"]
    words = words.split()
    score = 0
    for word in words:
        vowelcount = 0
        for char in word:
            if char in vowels:
                vowelcount +=1
        if vowelcount % 2 == 0:
            score += 2
        else:
            score += 1 
    print(score)

score_words(words)