code: protected static void setMonthDay(int monthDay, Calendar cal) {
  		// monthDay = month * 32 + day;
  		int month = monthDay / MONTH_MULTIPLICATOR;
  		cal.set(Calendar.MONTH, month - 1);
  		int day = monthDay - month * MONTH_MULTIPLICATOR;
  		cal.set(Calendar.DAY_OF_MONTH, day);
  	}
docs: Sets month and day of the given calendar making use of of the monthDay
  representation defined in EXI format
  
  @param monthDay
  monthDay
  @param cal
  calendar