import java.util.ArrayList;
import java.util.Scanner;

public class Driver {

    public static void main(String[] args) {
        Scanner keyboard = new Scanner(System.in);
        ArrayList<Course> courselist = new ArrayList<Course>();
        ArrayList<Instructor> instructorList = new ArrayList<Instructor>();
        ArrayList<TeachingAssistant> taList = new ArrayList<TeachingAssistant>();

        while (true) {
            String input = keyboard.nextLine();
            String[] splitted = input.split(";");
            if (input.equalsIgnoreCase("exit")) {
                System.exit(0);
            }

            if (splitted[0].equalsIgnoreCase("create")) {
                if (splitted[1].equalsIgnoreCase("course")) {
                    for (int i = 0; i <= courselist.size(); i++) {
                        if (i == courselist.size()) {
                            Course CO = new Course(splitted[2], splitted[3], splitted[4], splitted[5], splitted[6]);
                            courselist.add(CO);
                            System.out.println("success");
                            break;
                        }
                        if (courselist.get(i).getCode().equalsIgnoreCase(splitted[2])) {
                            System.out.println("A course with code " + splitted[2] + " already exists.");
                            break;
                        }
                    }

                }
                if (splitted[1].equalsIgnoreCase("instructor")) {
                    for (int i = 0; i <= instructorList.size(); i++) {
                        if (i == instructorList.size()) {
                            Instructor IN = new Instructor(splitted[2], splitted[3], splitted[4], splitted[5]);
                            instructorList.add(IN);
                            System.out.println("success");
                            break;
                        }
                        if (instructorList.get(i).getID().equalsIgnoreCase(splitted[3])) {
                            System.out.println("A person with ID " + splitted[3] + " already exists.");
                            break;
                        }
                    }
                }
                if (splitted[1].equalsIgnoreCase("ta")) {
                    for (int i = 0; i <= taList.size(); i++) {
                        if (i == taList.size()) {
                            TeachingAssistant TA = new TeachingAssistant(splitted[2], splitted[3], splitted[4],
                                    splitted[5]);
                            taList.add(TA);
                            System.out.println("success");
                            break;
                        }
                        if (taList.get(i).getID().equalsIgnoreCase(splitted[3])) {
                            System.out.println("A person with ID " + splitted[3] + " already exists.");
                            break;
                        }
                    }
                }

            }
            if (splitted[0].equalsIgnoreCase("assign")) {

                if (splitted[1].equalsIgnoreCase("instructor")) {

                    for (int i = 0; i < instructorList.size(); i++) {
                        if (instructorList.get(i).getID().equalsIgnoreCase(splitted[2])) {
                            instructorList.get(i).setInsCourse(splitted[3] + " - " + courselist.get(i).getName);
                        }

                    }

                }
                if (splitted[1].equalsIgnoreCase("ta")) {

                    for (int i = 0; i < taList.size(); i++) {
                        if (taList.get(i).getID().equalsIgnoreCase(splitted[2])) {
                            taList.get(i).setTACourse(splitted[3] + " - " + courselist.get(i).getName());
                        }
                    }

                }

            }

            if (splitted[0].equalsIgnoreCase("report")) {
                if (splitted[1].equalsIgnoreCase("course")) {
                    for (int i = 0; i < courselist.size(); i++) {
                        if (courselist.get(i).getCode().equalsIgnoreCase(splitted[2])) {
                            courselist.get(i).readInfo();
                        }
                    }
                }
                if (splitted[1].equalsIgnoreCase("instructor")) {
                    for (int i = 0; i < instructorList.size(); i++) {
                        if (instructorList.get(i).getID().equalsIgnoreCase(splitted[2])) {
                            instructorList.get(i).readInsInfo();
                        }
                    }
                }
                if (splitted[1].equalsIgnoreCase("ta")) {
                    for (int i = 0; i < taList.size(); i++) {
                        if (taList.get(i).getID().equalsIgnoreCase(splitted[2])) {
                            taList.get(i).readAssInfo();
                        }
                    }
                }

            }

            if (!(splitted[0].equalsIgnoreCase("report") || splitted[0].equalsIgnoreCase("create")
                    || splitted[0].equalsIgnoreCase("assign"))) {
                System.out.println("Unknown command");
            }
            if (!(splitted[1].equalsIgnoreCase("course") || splitted[1].equalsIgnoreCase("instructor")
                    || splitted[1].equalsIgnoreCase("ta"))) {
                System.out.println("Unknown command");
            }

        }

    }

}