import java.util.Date;
import java.util.GregorianCalendar;
class TestCal {
  public static void main(String argv[]) {
    GregorianCalendar then = new GregorianCalendar();
    then.set(1973, 10, 17);
    System.out.println(then.getTimeInMillis());
    GregorianCalendar now = new GregorianCalendar();
    Date d = new Date();
    now.setTime(d);
    System.out.println(now.getTimeInMillis());
  }
}