Write a C++ program to develop a hospital management system in which the user enter the i. doctor's private details i.e. name and it's specialization by a constructor name of doctor(), i, the patient's private details i.e. name and number by using a constructor patients_details() ii. the ward_number of the patient must be entered by a user using a constructor Ward() iv. the dues of a patient according to the department(e.g. heart specialist Rs 1500/- to be paid) must be entered to get appointment in the class name Dues using a member method enter_fee() Note: enter the amount of at least 5 specialist(all there fee must varry) vi. V. all these user entered record must be shown/displayed in call to display() from the main body of program.