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++ (GCC 9.2.1) (judge verdict: Accepted)

#include<iostream>
using namespace std;

int main()
{
  char c;
  cin>>c;
  
  if(('a' == c)||
     ('e' == c)||
     ('i' == c)||
     ('o' == c)||
     ('u' == c))
  {
    cout<<"vowel"<<endl;
  }
  else
  {
    cout<<"consonant"<<endl;
  }
  
  return 0;
}