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 5.4.1) (judge verdict: Accepted)

#include<stdio.h>

int main()
{
	char a[2];
	
	scanf("%c", a);

	if (a[0] == 'a') {
		printf("vowel\n");
	}
	else if (a[0] == 'i') {
		printf("vowel\n");
	}
	else if (a[0] == 'u') {
		printf("vowel\n");
	}
	else if (a[0]== 'e') {
		printf("vowel\n");
	}
	else if (a[0] == 'o') {
		printf("vowel\n");
	}
	else {
		printf("consonant\n");
	}

	return 0;

}