#include <iostream>
using std::cout;
using std::endl;

//student class

class student {
public:
  student(char* nm, int id, int y);
  void print();
  int year_group()
    { return year; }
private:
  int student_id;
  int year;
  char name[30];
};

//Member functions

student::student(char* nm, int id, int y)
{
  student_id = id;
	  year = y; 
	  strcpy(name, nm);
}


void student::print()
{
  cout << "\n" << name << ", " 
		<< student_id << ", "
		<< year << endl;
}

//Graduate Student Class

class grad_student: public student {
public:
  grad_student(char* nm, int id, 
            int y, char* d, char* th);
  void print();
private:
  char dept[10];
  char thesis[80];
};

//Member functions

grad_student::grad_student(char* nm, 
	int id, int y, char* d, char* th)
    	:student(nm, id, y)
{
  strcpy(dept, d);
  strcpy(thesis, th);
}

void grad_student::print()
{
  student::print();
  cout << dept << ", " << thesis << endl;
}


int main()
{
  student s1("Jane Doe", 100, 1);
  grad_student gs1("John Smith", 200, 4, 
		"Pharmacy", "Retail Thesis");

  cout << "Student classes example:\n";

  cout << "\n Student s1:";
  s1.print(); 
  cout << "Year "  << s1.year_group()
		<< endl; 
			
  cout << "\n Grad student gs1:";
  gs1.print();
  cout << "Year "  << gs1.year_group()
		<< endl;
  return 0;
}