//package pt.v1.tea.testapp;
class MainProgram {
public static void main(String[] args) {
try {
Vector a = new Vector();
a.add(new Integer(1));
a.add(new Integer(2));
a.add(new Integer(3));
System.out.println((a.size()));
a.add(new Integer(4));
a.add(new Integer(4));
System.out.println((a.size()));
} catch(Exception e) {
System.out.println(e.getMessage());
}
}
}