#include<stdio.h>
int main(){
    char ch='w';
    switch(ch){
        case 'a':
        printf("It is a vowel");
        break;
        case 'e':
        printf("It is a vowel");
        break;
        case 'i':
        printf("It is a vowel");
        break;
        case 'o':
        printf("It is a vowel");
        break;
        case 'u':
        printf("It is a vowel");
        break;
        default:
        printf("It is not a vowel");
    }
}