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) {
		Scanner scan = new Scanner(System.in);
		char c = scan.next().charAt(0);
		scan.close();
		char x[]= {'a','e','i','o','u'};
		
		int check=0;
		for(int i=0;i<x.length;i++) {
			if(x[i]==c) {
				check=1;
				break;
			}
		}
		if(check==1)System.out.println("vowel");
		else System.out.println("consonant");
	}
}