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)

import java.util.*;

public class Main{

  public static void main (String[] args){
    
    Scanner scanner = new Scanner (System.in);
    
    String letter = scanner.nextLine();
    
    if(letter.equals("a")||
       letter.equals("e")||
       letter.equals("i")||
       letter.equals("o")||
       letter.equals("u")){
   		System.out.println("vowel");
    } else {
    	System.out.println("consonant");
    }
    
  }
}