{filelink=5591}

import java.util.Calendar;
import java.util.GregorianCalendar;

public class Main {
  public static void main(String[] args) throws Exception
  {

    Calendar cal = new GregorianCalendar(2002, Calendar.FEBRUARY, 1);
    int days = cal.getActualMaximum(Calendar.DAY_OF_MONTH);
  }
}