import java.util.*;
import java.lang.*;
import java.text.*;

class Main
{
    public static void main (String[] args) throws java.lang.Exception
    {
        DateFormat df = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss");
        Date startDate = df.parse("24.03.2013 21:01:20");
        Date endDate = df.parse("24.03.2013 21:01:40");
        Date d = new Date(endDate.getTime()-startDate.getTime());
    	System.out.print(d);
	}
}