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: Wrong Answer)

#include <stdio.h>

int main() {
	char c;
	char a,e,i,o,u;
	scanf ("%d",&c);
	if ('c'=='a') {
	printf("vowel\n");
	} else if ('c'=='e') {
	  printf ("vowel\n");
	} else if ('c'=='i') {
	  printf ("vowel\n") ;
	} else if ('c'=='o') {
		printf("vowel\n"); }
		else if ('c'=='u') {
		printf("vowel\n");
		} else  {
		printf ("consonant\n");
		 }
		return 0;
 }