#include <iostream>

using namespace std;

int main()

{

char a ;

cout <<"Enter a alphabet:     "; cin >> a;

 switch(a) {

case 'a':

case 'e':

case 'i':

case 'o':

case 'u': 

case 'A':

case 'E':

case 'I':

case 'O':

case 'U': cout<<"It is a vowel" ;break;

default: cout <<"It is a consonant";break;

}

return 0;

}