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 C++14 (GCC 5.4.1) (judge verdict: Accepted)

#include <bits/stdc++.h>

bool solve(char c)
{
	char s[]{"aiueo"};
	for (int i = 0; i < 5; i++)
		if (c == s[i]) return true;
	return false;
}

int main()
{
	char c;
	scanf("%c", &c);
	if (solve(c)) printf("vowel\n");
	else printf("consonant\n");
	
	return 0;
}