alphabet, digit or special character

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

    if( (chr >= 'a' && chr <= 'z') || (chr >='A' && chr <= 'Z')){
        printf("It's Alphabet");
    }
    else if( chr>= '0' && chr <= '9' ){
        printf("It's Number");
    }
    else {
        printf("Special Character");
    }

    return 0;
}