#!/usr/bin/env python3

import sys
from mapreduce import emit

def count_vowels(line):
    """A map function that counts the vowels in a line."""
    for vowel in 'aeiou':
        count = line.count(vowel)
        if count > 0:
            emit(vowel, count)

for line in sys.stdin:
    count_vowels(line)