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 <iostream>
#include <vector>
#include <stack>
#include <queue>
#include <list>
#include <functional>
#include <algorithm>
#include <complex>
#include <map>
#include <cmath>
#include <string>
#include <cstdio>
#include <stdio.h>
#include <cstdlib>
#include <istream>
//-----------------------------------------------------define--------------------------------------------------------------------//
#define PB push_buck
#define MP make_pair
#define MAX 100000
//-------------------------------------------------------typedef----------------------------------------------------------------//
typedef long long ll;

using namespace std;

char a;
//------------------------------------------------------------------------------------------------------------------------------//
int main() {
	cin >> a;
	if (a == 'a' || a == 'e' || a == 'i' || a == 'o' || a == 'u') {
		cout << "vowel" << endl;
	}
	else {
		cout << "consonant" << endl;
	}
}