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(void)
{
	int i=0,x=0;
	char sip[100];
	char sck[6] = {'a','i','u','e','o','\0'};
	scanf("%100s",sip);
	for(i;i <= 4;i++)
		{
			if(sip[0] != sck[i]){x=0;}
	 		else{x=1;}
	 	 if(x == 1){break;}
		}
	if(x == 1)
	{
		printf("vowel\n");
	}
	else
	{
		printf("consonant\n");
	}
	return 0;
}