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 (Clang 3.8.0) (judge verdict: Wrong Answer)

#include<stdio.h>
#include<string.h>
int main(void)
{
	char mozi[10];
	scanf("%s", &mozi);
	if (strcmp(mozi, "a") == 0 || strcmp(mozi, "i") == 0 || strcmp(mozi, "u") == 0 || strcmp(mozi, "e") == 0 || strcmp(mozi, "o") == 0)
		printf("vowel");
	else
		printf("constant");
     return 0;
}