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 Scala (2.11.7) (judge verdict: Accepted)

import io.{StdIn => in}

object Main extends App {
  val ans = in.readLine match {
    case "a" => "vowel"
    case "i" => "vowel"
    case "e" => "vowel"
    case "u" => "vowel"
    case "o" => "vowel"
    case _   => "consonant"
  }
  println(ans)
}