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 <stdio.h>

char A[6]={'a','e','i','o','u'};

int main()
{
    int flag=0;
    char x;
    scanf("%c", &x);

    for(int i=0; i<5; i++)
        if(x==A[i])
            flag = 1;

    if(flag) printf("vowel\n");
    else printf("consonant\n");

    return 0;

}