Problem:
Score : 100 points

Problem Statement

Given a lowercase English letter c, determine whether it is a vowel. Here, there are five vowels in the English alphabet: a, e, i, o and u.

Constraints

c is a lowercase English letter.

Input

The input is given from Standard Input in the following format:

c

Output

If c is a vowel, print vowel. Otherwise, print consonant.

Sample Input 1

a

Sample Output 1

vowel

Since a is a vowel, print vowel.

Sample Input 2

z

Sample Output 2

consonant

Sample Input 3

s

Sample Output 3

consonant

Solution in PHP7 (7.0.15) (judge verdict: Accepted)

<?php
    $c = trim(fgets(STDIN));
    $list = array("a","i","u","e","o");
    $flg = FALSE;
    foreach($list as $val){
        if($val == $c){
            echo "vowel";
            $flg = TRUE;
            break;
        }
    }
    if($flg == FALSE){
        echo "consonant";
    }
?>