public class Person implements Comparable<Person>{
    private int birthYear;
    private Name name;
    public Person(String first, String last, int y){
	name = new Name (first, last);
	birthYear = y;
    }
    public Person (Name n, int y){
	name = n;
	birthYear = y;
    }
    public String toString(){
	return name + " " + birthYear;
    }
    public int compareTo(Person other){
	return name.compareTo(other.name);
    }
}