class ListItem {

    String data;
    ListItem next;

}


class CircularList {

    // The usual list variables.
    ListItem front = null;
    ListItem rear = null;

    // To keep track of the size.
    int numItems = 0;


    public void add (String s)
    {
    }


    public int size ()
    {
    }


    public String toString ()
    {
    }


    public String fire (String assassin)
    {
    }

}


public class AssasinGame {

    public static void main (String[] argv)
    {
        CircularList assassins = new CircularList ();
        assassins.add ("Jackal");
        assassins.add ("Mata Hari");
        assassins.add ("John Wilkes Booth");
        assassins.add ("Lee Harvey Oswald");
        assassins.add ("Gavrilo Princip");
        assassins.add ("James Earl Ray");
        assassins.add ("Jack Ruby");

        System.out.println (assassins);

        String victim = assassins.fire ("Gavrilo Princip");
        System.out.println ("\nGavrilo's victim: " + victim + "\n  Remaining: " + assassins);
        // Gavrilo's victim: James Earl Ray

        victim = assassins.fire ("Jack Ruby");
        System.out.println ("\nJack's victim: " + victim + "\n  Remaining: " + assassins);
        // Jack's victim: Jackal

        victim = assassins.fire ("Mata Hari");
        System.out.println ("\nMata's victim: " + victim + "\n  Remaining: " + assassins);
        // Mata's victim: John Wilkes Booth

        victim = assassins.fire ("Jackal");
        System.out.println ("\nJackal's victim: " + victim + "\n  Remaining: " + assassins);
        // Victim: Error: no such assassin.

        victim = assassins.fire ("Jack Ruby");
        System.out.println ("\nJack's victim: " + victim + "\n  Remaining: " + assassins);
        // Jack's second victim: Mata Hari
    }
    

}