题目描述
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-----
a
-----Sample Output-----
vowel
Since a is a vowel, print vowel.
输入格式
见题面
输出格式
见题面
样例输入
a
样例输出
vowel