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 12.16.1) (judge verdict: Accepted)

function main(input) {
  input = input.trim();
  const a = input.split(' ');
  if(a[0]=='a'||a[0]=='i'||a[0]=='u'||a[0]=='e'||a[0]=='o'){
    console.log('vowel');
  }else{
    console.log('consonant');
  }
}
main(require('fs').readFileSync('/dev/stdin', 'utf8'));