#include <iostream>
using namespace std;

class Person
{
protected:
    string name;
    int age;

public:
    void getPerson()
    {
        cout << "Enter name: ";
        cin >> name;
        cout << "Enter age: ";
        cin >> age;
    }
    void showPerson()
    {
        cout << "Name: " << name << endl;
        cout << "Age: " << age << endl;
    }
};

class Student : public Person
{
protected:
    int roll;

public:
    void getStudent()
    {
        getPerson();
        cout << "Enter roll no: ";
        cin >> roll;
    }
    void showStudent()
    {
        showPerson();
        cout << "Roll No: " << roll << endl;
    }
};

class Exam : public Student
{
protected:
    float m1, m2;

public:
    void getMarks()
    {
        cout << "Enter marks of 2 subjects: ";
        cin >> m1 >> m2;
    }
    void showMarks()
    {
        cout << "Marks: " << m1 << ", " << m2 << endl;
    }
};

class Sports
{
protected:
    float score;

public:
    void getScore()
    {
        cout << "Enter sports score: ";
        cin >> score;
    }
};

class Result : public Exam, public Sports
{
public:
    void display()
    {
        showStudent();
        showMarks();
        cout << "Sports score: " << score << endl;
        cout << "Total: " << m1 + m2 + score << endl;
    }
};

class Teacher : public Person
{
    string subject;

public:
    void getTeacher()
    {
        getPerson();
        cout << "Enter subject: ";
        cin >> subject;
    }
    void showTeacher()
    {
        showPerson();
        cout << "Subject: " << subject << endl;
    }
};

int main()
{
    Result r;
    cout << "--- Student Details ---" << endl;
    r.getStudent();
    r.getMarks();
    r.getScore();

    Teacher t;
    cout << "\n--- Teacher Details ---" << endl;
    t.getTeacher();

    cout << "\n--- Student Result ---" << endl;
    r.display();

    cout << "\n--- Teacher Info ---" << endl;
    t.showTeacher();

    return 0;
}