# -*- coding: utf-8 -*-
"""
Created on Wed Apr 10 19:11:50 2019

@author: GRENTOR
"""

a = (input().lower())
vowel='aeiou'
if a.isalpha():
    if a in vowel:
        print("Vowel",end = "")
    else:
        print("Consonant",end = "")
else:
    print("invalid")

ec321c0a0628b3d9fa36b78e5c767455197d30ba
<mask token>

<mask token>
if a.isalpha():
    if a in vowel:
        print('Vowel', end='')
    else:
        print('Consonant', end='')
else:
    print('invalid')

<mask token>
a = input().lower()
vowel = 'aeiou'
if a.isalpha():
    if a in vowel:
        print('Vowel', end='')
    else:
        print('Consonant', end='')
else:
    print('invalid')

# -*- coding: utf-8 -*-
"""
Created on Wed Apr 10 19:11:50 2019

@author: GRENTOR
"""

a = (input().lower())
vowel='aeiou'
if a.isalpha():
    if a in vowel:
        print("Vowel",end = "")
    else:
        print("Consonant",end = "")
else:
    print("invalid")
