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: Wrong Answer)

function Main(input){

  var c = String(input);

  if( c === 'a' || c === 'i' || c === 'u' || c === 'e' || c === 'o') {
      console.log('vowel');
  } else {
    console.log('consonant');
  }


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