#include <iostream>
#include <fstream>
#include <cmath>
#include <iomanip>
#include <string>

using namespace std;

class Factor {
    double a;
    double b;

    public:
        void setA(double val);
        void setB(double val);
        double getA()
        double getB();
        double getAB();
        Factor();
}

int main() {
    Factor dubs;
    dubs.setA(22);
    dubs.setB(2);
    cout << dubs.getB() << endl << dubs.getA() << endl << dubs.getAB() << endl;
    return 9001;
}

void Factor::setA(double val) { a = val; }
void Factor::setB(double val) { b = val; }

double Factor::getA() { return a; }
double Factor::getB() { return b; }
double Factor::getAB() { return a * b; }
Factor::Factor() { a = 1; b = 1; }