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 Perl6 (rakudo-star 2016.01) (judge verdict: Accepted)

use v6;
my $c = get().chomp;
if (($c eq 'a') or ($c eq 'e') or ($c eq 'i') or ($c eq 'o') or ($c eq 'u')) {
	say "vowel";
} else {
	say "consonant";
}

exit;