Problem Statement

Vowels are letters that represent speech sounds where air leaves the mouth without any blockage by the tongue, lips, or throat. There are five vowels in the English alphabet a, e, o, u and i. Create a program that will assert if a given word X starts with a vowel or not.

Constraints

X is a string with a length of 1 to 20 characters.

Input

Input is in the following format:

X

Output

Print vowel if the word starts with a vowel. Otherwise, print consonant.

Samples

Sample 1

Sample 2

Sample 3