import java.io.*;

class Rektangel {
    public Rektangel(int a, int b) {
        this.a = a;
        this.b = b;
    }
    public int omkrets() {
        return 2 * this.a + 2 * this.b;
    }
    public int area() {
        return a * b;
    }
    private int a = 0, b = 0;

    public static void main(String args[]) {
        BufferedReader kbd_reader
            = new BufferedReader(new InputStreamReader(System.in));
        int a, b;
        String buf;
        try {
            System.out.print("Ge sida a: ");
            buf = kbd_reader.readLine();
            a = Integer.parseInt(buf);
            System.out.print("Ge sida b: ");
            buf = kbd_reader.readLine();
            b = Integer.parseInt(buf);

            Rektangel rektangel = new Rektangel(a, b);

            System.out.println("Area: " + rektangel.area());
            System.out.println("Omkrets: " + rektangel.omkrets());
        }
        catch (IOException e) {
            System.out.println("Kunde inte läsa!");
        }
    } // main
} // Rektangel