import java.util.*;

public class Vect {

    public static void main (String [] args) {
	Vector v = new Vector();

	for (int i = 0; i < 30; ++i) {
	    v.add(new Integer(i));
	    System.out.print(" i = " + i + " size = " + v.size());
	    System.out.println(" capacity = " + v.capacity());
	}
    }

}