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.Scanner;
 
public class Main {
    public static void main(String[] args) throws Exception{    
        Scanner sc = new Scanner(System.in);
        // code
       
        String s = sc.next();
        
        char c = s.charAt(0);
        
        String ans;
        if(c == 'a'){
        	ans = "vowel";
        }else  if(c == 'i'){
        	ans = "vowel";
        }else  if(c == 'u'){
        	ans = "vowel";
        }else  if(c == 'e'){
        	ans = "vowel";
        }else  if(c == 'o'){
        	ans = "vowel";
        }else{
        	ans = "consonant";
        }
        
        System.out.println(ans);
        
        sc.close();
    }
    
    
    
    
 
}