<?php
/**
 * Created by PhpStorm.
 * User: emotu
 * Date: 019 19.2.2019 г.
 * Time: 19:05
 */


$numberStrings = intval(readline());//3        0     1    2
$strings = [];//pesho mariq ivanka

for ($i = 0; $i < $numberStrings; $i++) {
    $strings[$i] = readline();
}
//$size = count($name);
$name = "";
$sum = 0;
for ($i = 0; $i < $numberStrings; $i++) {//i=pesho
    $name = $strings[$i];//pesho
    $length = strlen($name);
    for ($j = 0; $j < $length; $j++) {

        if ($name[$j] === "a" || $name[$j] === "u" || $name[$j] === "o"
            || $name[$j] === "y" || $name[$j] === "e" || $name[$j] === "i"
            || $name[$j] === "A" || $name[$j] === "U" || $name[$j] === "O" || $name[$j] === "Y" ||
            $name[$j] === "E" || $name[$j] === "I") {
            $sum += $name[$j] * $length;
        } else {
            $sum += ord($name[$j]) / $length;
        }
        echo $sum;
    }
}

echo $sum;