vowel or consonant

#include<stdio.h>
int main()
{
    char chr;
    printf("Input the alphabet: ");
    scanf("%c", &chr);

    if(chr=='a' || chr=='e' || chr=='i' || chr=='o' || chr=='u' ||
        chr=='A' || chr=='E' || chr=='I' || chr=='O' || chr=='U'){
            printf("It's vowel");
        }
    else if(( chr>='a' && chr <= 'z' ) || ( chr>='A' && chr <= 'Z' )) {
        printf("It's consonant");
    }
    else{
        printf("Not vowel or consonant");
    }

    return 0;
}