// Employee class (base class)
class Employee {
    private String name;
    private int employeeId;

    public Employee(String name, int employeeId) {
        this.name = name;
        this.employeeId = employeeId;
    }

    public String getName() {
        return name;
    }

    public int getEmployeeId() {
        return employeeId;
    }

    public void displayDetails() {
        System.out.println("Employee ID: " + employeeId);
        System.out.println("Name: " + name);
    }
}

// Faculty class (inherits from Employee)
class Faculty extends Employee {
    private String department;
    private String designation;

    public Faculty(String name, int employeeId, String department, String designation) {
        super(name, employeeId);
        this.department = department;
        this.designation = designation;
    }

    public String getDepartment() {
        return department;
    }

    public String getDesignation() {
        return designation;
    }

    @Override
    public void displayDetails() {
        super.displayDetails();
        System.out.println("Department: " + department);
        System.out.println("Designation: " + designation);
    }
}

// Staff class (inherits from Employee)
class Staff extends Employee {
    private String role;

    public Staff(String name, int employeeId, String role) {
        super(name, employeeId);
        this.role = role;
    }

    public String getRole() {
        return role;
    }

    @Override
    public void displayDetails() {
        super.displayDetails();
        System.out.println("Role: " + role);
    }
}

// UniversityProgram class (main program)
public class UniversityProgram {
    public static void main(String[] args) {
        // Creating instances of Faculty and Staff
        Faculty facultyMember = new Faculty("John Doe", 101, "Computer Science", "Professor");
        Staff staffMember = new Staff("Jane Smith", 201, "Administrative Assistant");

        // Displaying details of Faculty and Staff
        System.out.println("Faculty Details:");
        facultyMember.displayDetails();
        System.out.println();

        System.out.println("Staff Details:");
        staffMember.displayDetails();
    }
}