#include <iostream>
using namespace std;


class FazzyNumber{
private:
    double A;
    double A1;
    double A2;
public:
    FazzyNumber(double E, double e1, double e2){
        this->A = E;
        this->A1 = e1;
        this->A2 = e2;
    }
    FazzyNumber(){
        this->A = 0;
        this->A1 = 0;
        this->A2 = 0;
    }
    void setFazzyNumber(double E, double e1, double e2){
        this->A = E;
        this->A1 = e1;
        this->A2 = e2;
    }
    void show(){
        cout << "X-e1=" << this->A << "-" << this->A1
                     << " X=" << this->A
                     << " X+e2=" << this->A <<"+"<<this->A2 << endl;
    }
    FazzyNumber* operator + (FazzyNumber D){
        double sumA = this->A + D.A;
        double sumE1 = sumA - this->A1 - D.A1;
        double sumE2 = sumA + this->A2 + D.A2;
        return new FazzyNumber(sumA, sumE1, sumE2);
    }

    FazzyNumber* operator - (FazzyNumber D){
        double sumA = this->A - D.A;
        double sumE1 = sumA - this->A1 - D.A1;
        double sumE2 = sumA + this->A2 + D.A2;
        return new FazzyNumber(sumA, sumE1, sumE2);
    }
    FazzyNumber* operator * (FazzyNumber D){
        double sumA = this->A * D.A;
        double sumE1 = sumA - D.A*this->A1 - this->A*D.A1 + this->A1*D.A1;
        double sumE2 = sumA + D.A*this->A2 + this->A*D.A2 + this->A2*D.A2;
        return new FazzyNumber(sumA, sumE1, sumE2);
    }
};

int main(){
    setlocale(LC_ALL, "Russian");
    int param = 0;
    FazzyNumber X, Y;
    do{
        cout << "*********************************************" << endl;
        cout << "1. Обновить значение НЕЧЕТКИХ ЧИСЕЛ." << endl;
        cout << "2. Вывести значение НЕЧЕТКИХ ЧИСЕЛ." << endl;
        cout << "3. Сложить НЕЧЕТКИЕ ЧИСЛА." << endl;
        cout << "4. Вычесть НЕЧЕТКИЕ ЧИСЛА." << endl;
        cout << "5. Умножить НЕЧЕТКИЕ ЧИСЛА." << endl;
        cout << "0. Для выхода нажмите 0." << endl;
        cout << "*********************************************" << endl;
        cout << "Ввeдите выбор: ";
        cin >> param;

        switch (param)
        {
        case 1:
            cout << "------Обновление Нечетких чисел-------" << endl;
            cout << "Введите Значение X e1 e2 Для перевого числа" << endl;
            double a, b, c;
            cin >> a >> b >> c;
            X.setFazzyNumber(a, b, c);
            cout << "Введите Значение X e1 e2 Для второго числа" << endl;
            cin >> a >> b >> c;
            Y.setFazzyNumber(a, b, c);
        case 2:
            cout << "Число X: "; X.show();
            cout << "Число Y: "; Y.show();
            break;
        case 3:
            (X + Y)->show();
            break;
        case 4:
            (X - Y)->show();
        case 5:
            (X*Y)->show();
        default:
            break;
        }
    } while (param);

}