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 Java7 (OpenJDK 1.7.0) (judge verdict: Accepted)

/* Filename: ABC049A.java
 * Author: Mushiyo
 */

import java.util.Scanner;

public class Main{

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);

		while (input.hasNext()) {
			char c = input.next().charAt(0);

			switch (c) {
			case 'a':
			case 'e':
			case 'i':
			case 'o':
			case 'u':
				System.out.println("vowel");
				break;
			default:
				System.out.println("consonant");
				break;
			}
		}
	}

}