check for vowel using switch statement

Write a program that accept a lower case alphabets  and check at for vowel or not vowel

#include<iostream.h>
int main()
{
char c;
cout<<"\n Enter a Lower Case Alphabets = ";
cin>>c;
switch(c)
{
case 'A':
case 'E':
case 'I':
case 'O':
case 'U':
case 'a':
case 'e':
case 'i':
case 'o':
case 'u':
cout<<"\n\n Vowels";
break;
default:
cout<<"\n\n not vowel";
}
system("pause");
return 0;
}