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 JavaScript (node.js v5.12) (judge verdict: Accepted)

'use strict';

function Main(input) {
    const C = input.split("\n")[0];
    const vowel = ["a", "e", "i", "o", "u"];
    let out = "consonant";

    vowel.forEach((e) => {
        if (C == e) {
            out = "vowel";
            return;
        }
    });

    console.log(out);
}

Main(require("fs").readFileSync("/dev/stdin", "utf8"));