import java.util.TreeSet;
class Dog {
int size;
public Dog(int s) {
size = s;
}
}
public class MainClass {
public static void main(String[] args) {
TreeSet<Integer> i = new TreeSet<Integer>();
TreeSet<Dog> d = new TreeSet<Dog>();
d.add(new Dog(1));
d.add(new Dog(2));
d.add(new Dog(1));
i.add(1);
i.add(2);
i.add(1);
System.out.println(d.size() + " " + i.size());
}
}
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