---

#include <iostream>
#include <string>
using namespace std;
class Complex 
{
public:
    double real, imag;

    Complex(double r = 0, double i = 0) : real(r), imag(i) {}
    friend ostream& operator << (ostream& os, const Complex& c) {
        os << "(" << c.real << " + " << c.imag << "i)";
        return os;
    }

    Complex operator + (const Complex& other) {
        return Complex(real + other.real, imag + other.imag);
    }
    bool operator == (const Complex& other) const {
        return (real == other.real && imag == other.imag);
    }
    void printcomplex() {
      cout << "(" << real << " + " << imag << "i)" << std::endl;
    }
};
class Vector2d {
public:
    double x, y;
    Vector2d(double p, double u) : x(p), y(u) {}
    Vector2d operator - (const Vector2d& other) {
        return Vector2d(x + other.x, y + other.y);
    }
    Vector2d operator * (double chislo) const {
        return Vector2d(x * chislo , y * chislo );
    }
    void printVector2d() {
        cout << "( X : " << x << " Y : " << y << " ) " << endl;

    }
};
class Student
{
public:
    string name;
    double ball;
    Student(string imya, double shedevroball ) : name(imya), ball(shedevroball) {}
    bool operator > (const Student& other) const {
        return ball > other.ball;
    }
};

int main() {
    setlocale(LC_ALL ,"russian");
    Complex c1(2, 3), c2(1, 4);
    Complex result = c1 + c2; 


    result.printcomplex(); 
    Vector2d v(2.0, 3.5);
    Vector2d result2 = v * 3; 

    result2.printVector2d(); 
    Student s1("Ivan", 4.5);
    Student s2("Oleg", 3.8);

    if (s1 > s2) {
        cout << s1.name << " учится лучше, чем " << s2.name << endl;
    
    }
    else {
        cout << s1.name << " учится  не лучше, чем " << s2.name << endl;
    }


    if (c1 == c2) {
        cout << "c1 и c2 равны" << endl;
    }
    else {
        cout << "c1 и c2 разные" << endl;
    }
    cout << "Число 1: " << c1 << endl;
    cout << "Сумма: " << c1 + c2 << endl;

}