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 Python (3.4.3) (judge verdict: Accepted)

# -*- coding: utf-8 -*-
"""
A - 居合を終え、青い絵を覆う / UOIAUAI
https://atcoder.jp/contests/abc049/tasks/abc049_a

"""
import sys


def solve(c):
    if c in 'aeiou':
        return 'vowel'
    return 'consonant'


def main(args):
    c = input()
    ans = solve(c)
    print(ans)


if __name__ == '__main__':
    main(sys.argv[1:])