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
$boin = ['a','i','u','e','o'];
 
$input = trim(fgets(STDIN));
foreach($boin as $s) {
  if($input == $s) {
	echo 'vowel';
    return;
  }
}
echo 'consonant';