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.

Input

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

Output

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

Constraints

• c is a lowercase English letter.

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

见题面 Input 部分

见题面 Output 部分