import java.util.Random;

public class LoginGenerator {


    public static String generateLogin(String first, String last) {
	Random r = new Random();
	int num = r.nextInt(89) + 10;
	String login = "";

	login += first.charAt(0);
	if(last.length() < 5) {
	    login += last;
	} else {
	    login += last.substring(0, 5);
	}
	login += num;
	return login;
    }

    public static String generateLogin(String last) {
	Random r = new Random();
	int num = r.nextInt(89) + 10;
	String login = "";

	if(last.length() < 5) {
	    login += last;
	} else {
	    login += last.substring(0, 5);
	}
	login += num;
	return login;
    }


}