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 Java8 (OpenJDK 1.8.0) (judge verdict: Accepted)

/*
 * 英小文字 c が与えられるので、c が母音であるか判定してください。ここで、英小文字のうち母音は a、e、i、o、uの 5 つです。
 */

import java.util.*;
	public class Main{
        public static void main(String[] args){
            Scanner sc = new Scanner(System.in);
            
            String s = sc.next();
            
            if(s.equals("a") || s.equals("i") || s.equals("u") || s.equals("e") || s.equals("o")){
            	System.out.println("vowel");
            }else{
            	System.out.println("consonant");
            }
            sc.close();
        }
    }