public class Utils {
    public static int makeRandom(int max) {
        return (int) (Math.random() * max);
    }
        
    public static String makeString(int length) {
        StringBuilder ss = new StringBuilder("");
        for (int i = 0; i < length; i++) {
            ss.append((char) ('a' + makeRandom(26)));
        }
        return ss.toString();
    }
    
    public static void main(String[] args) {
        System.out.println("A".compareTo("a"));
    }
}