problem_3 chapter_2

#include <stdio.h>


int main()
{
    char r;

    printf("Enter  input: ");
    scanf("%c",&r);


    if(r =='a' || r =='A' || r =='e' || r =='E' || r =='i' || r =='I' || r =='o' || r =='O' || r =='u' || r =='U')
        {
        printf("%c is a vowel.", r);
        }

    else
        printf(" %c is not a vowel \n", r);

    return 0;
}