import java.util.Date;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
 
public class Main{
        public static void main(String[] args) throws Exception {
                String dateString = "01-MAY-12 01.00.47.000000000 PM";
                DateFormat df = new SimpleDateFormat("yy-MMM-dd hh.mm.ss.SSSSSSSSSS a");
                System.out.println(df.parse(dateString));
 
        }
}