#include <iostream>
#include <cmath>

using namespace std;
// Класс комплексное число: конструктор, ввод (»), вывод («), ==, !=, модуль x, +, -, *.

class complex {
private:
    double REAL, IMAG;
public:
    complex(double real = 0, double imag = 0) {
        REAL = real;
        IMAG = imag;
    }
    void SetReal(double real) { REAL = real; }

    void SetImag(double imag) { IMAG = imag; }
    
    double GetReal(complex& a) {
        return a.REAL;
    }

    double GetIMAG(complex& a) {
        return a.IMAG;
    }

    double abs() {
        return sqrt(REAL*REAL + IMAG*IMAG);
    }

    complex operator+(complex &a) {
        return complex(REAL + a.REAL, IMAG + a.IMAG);
    }

    complex operator-(complex& a) {
        return complex(REAL - a.REAL, IMAG - a.IMAG);
    }

    complex operator*(complex& a) {
        return complex(REAL*a.REAL + IMAG*a.IMAG, REAL*a.IMAG + IMAG*a.REAL);
    }

    int operator==(complex& a) {
        if (REAL == a.REAL && IMAG == a.IMAG) return 1;
        else return 0;
    }

    int operator!=(complex& a) {
        if (REAL == a.REAL && IMAG == a.IMAG) return 0;
        else return 1;
    }

    friend ostream& operator<< (ostream& r, complex &a) {
        r << "Your number is: " << a.REAL << " ";
        if (a.REAL > 0) r << "+" << a.IMAG << "i" << endl;
        else r << a.IMAG << "i" << endl;
        return r;
    }

    friend istream& operator>> (istream& r, complex& a) {
        r >> a.REAL;
        r >> a.IMAG;
        return r;
    }

   
};




int main()
{
    complex obj1(2, 2), obj2(3, 3);
    complex obj3;
    obj3 = obj1 - obj2;
    cout << obj3 << endl;
}