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