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 PHP (5.6.30) (judge verdict: Accepted)

<?php
$cmp = trim(fgets(STDIN));
$aiueo = [a, i, u, e, o];
foreach($aiueo as $value){
  if(strcmp($cmp,$value) == 0){
    echo "vowel";
    return;
  }
}
echo "consonant";
?>