C Problem for Vowel

Write a program to find whether a given character is a Vowel or consonant. A character is taken as input.  

#include <stdio.h>

int main()

{

    char ch;

    scanf("%c",&ch); 

switch(ch){

  case 'a':

  case 'e':

  case 'i':

  case 'o':

  case 'u':

  case 'A':

  case 'E':

  case 'I':

  case 'O':

  case 'U':

    printf("%c is a vowel.", ch);

  break;

default:

      printf("%c is a consonant.", ch);

}

}