using System;

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​

namespace OOP

{

    public class Person

    {

        public string name;

        public string gender;

        public int phone;

        public string email;

        public string birthdate;

    }

    public class student : Person

    {

        public string schoollastgraduated;

        public string course;

    }

    public class employee : Person

    {

​

    }

    public class faculty : employee

    {

        public string designation;

        public double salary;

        public string collegedepartment;

        public string subjectload;

    }

    public class staff : employee

    {

        public string designation;

        public double salary;

        public string servicedepartment;

    }

​

​

    public class Program

    {

        public static void Main(string[] args)

        {

            student student = new student();

            student.name = "Nezuko";

            student.phone = 24688642;

            student.course = "Networking";

            Console.WriteLine("Student: " + student.name+" "+student.phone+" "+student.course);

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            faculty faculty = new faculty();

            faculty.name = "Shinobu Kocho";

            faculty.salary = 10000;

            faculty.subjectload = "Science, Physical Health";

            Console.WriteLine("Faculty: " + faculty.name + " " + faculty.salary + " " + faculty.subjectload);

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            staff staff = new staff();

            staff.name = "Giyu Tamioka";

            staff.designation = "Organizer";

            staff.servicedepartment = "Academic Club";

            Console.WriteLine("Staff: " + staff.name + " " + staff.servicedepartment + " " + staff.designation);

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        }

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    }

}

​