#include <iostream>
#include <string>
using namespace std;

class book
class rectangle {

    double side1;
    double side2;
    double AreaCalcutor;
    double PerimetrCalculator;
public:
    rectangle(double _side1, double _side2, double _AreaCalcutor,double _PerimetrCalculator) {

        side1 = _side1;
        side2 = _side2;
        AreaCalcutor = _AreaCalcutor;
        PerimetrCalculator = _PerimetrCalculator;

    }
    void Area(){

        AreaCalcutor = side1 * side2;
    }
    int getcal() {
        return AreaCalcutor;
    }

    void Perimetr() {

        PerimetrCalculator = (side1 + side2) * 2;

    }
    int getcal2() {
        return PerimetrCalculator;
    }

};
int main(){


    double a;
    cin >> a;
    double b;
    cin >> b;
    rectangle r1(a, b, 0, 0);
    r1.Area();
    cout << r1.getcal() << endl;
    r1.Perimetr();
    cout << r1.getcal2() << endl;
system("pause");
return 0;

}