import java.util.LinkedList;
public class MainClass {
public static void main(String[] a) {
LinkedList officers = new LinkedList();
officers.add("B");
officers.add("B");
officers.add("T");
officers.add("H");
officers.add("P");
officers.add("McIntyre");
System.out.println(officers);
officers.set(2, "Murdock");
System.out.println("\nTuttle is replaced:");
System.out.println(officers);
}
}