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 Go (1.6) (judge verdict: Accepted)

package main

import "fmt"

func main() {
	var c string
	fmt.Scan(&c)

	switch c {
	case "a":
		fmt.Println("vowel")
	case "e":
		fmt.Println("vowel")
	case "i":
		fmt.Println("vowel")
	case "o":
		fmt.Println("vowel")
	case "u":
		fmt.Println("vowel")
	default:
		fmt.Println("consonant")
	}
}