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>

using namespace std;

int main(){
  char c[1];
  cin >> c;

  if((strcmp(c,"a")) == 0 || (strcmp(c,"i")) == 0 || (strcmp(c,"u")) == 0 || (strcmp(c,"e")) == 0 || (strcmp(c,"o")) == 0)
    cout << "vowel" << endl;
  else
    cout << "consonant" << endl;
}