#include<iostream>
using namespace std;
int main()
{
	 double x, y;

	 cout << "First side: ";
	 cin >> x;

	 cout << "Second side: ";
	 cin >> y;

	 cout << "Parameter: " << 2 * (x + y) << endl;
	 cout << "Area: " << x * y << endl;

	 return 0;
}