#include <iostream>
#include <cmath>

using namespace std;

int main()
{
    double x1, y1, x2, y2, wideth, lenght, area, perimeter;


    cin >> x1;
    cin >> y1;
    cin >> x2;
    cin >> y2;
    wideth = abs(x1 - x2);
    lenght = abs(y1 - y2);

    area = wideth * lenght;
    perimeter = 2 * (wideth + lenght);
    cout.setf(ios::fixed);
    cout.precision(2);
    cout <<  area << endl << perimeter << endl;

    return 0;
}