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 c  = getchar();
  if ( c == 'a'){
    printf("vowel");
  }
  else if ( c == 'i'){
    printf("vowel");
  }
  else if ( c == 'u'){
    printf("vowel");
  }
  else if ( c == 'e'){
    printf("vowel");
  }
  else if ( c == 'o'){
    printf("vowel");
  }
  else{
    printf("consonant");
  }
  
  return 0;
}