import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double w = sc.nextLong();
        double h = sc.nextLong();
        double x = sc.nextLong();
        double y = sc.nextLong();
        if(w / 2 == x && h / 2 == y) {
            System.out.print(w * h / 2);
            System.out.println(" 1");
        }else {
            System.out.print(w * h / 2);
            System.out.println(" 0");
        }
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double w = sc.nextLong();
        double h = sc.nextLong();
        double x = sc.nextLong();
        double y = sc.nextLong();
        if(w / 2 == x && h / 2 == y) {
            System.out.print(w * h / 2);
            System.out.println(" 1");
        }else {
            System.out.print(w * h / 2);
            System.out.println(" 0");
        }
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double w = sc.nextLong();
        double h = sc.nextLong();
        double x = sc.nextLong();
        double y = sc.nextLong();
        if(w / 2 == x && h / 2 == y) {
            System.out.print(w * h / 2);
            System.out.println(" 1");
        }else {
            System.out.print(w * h / 2);
            System.out.println(" 0");
        }
    } main {
        Scanner sc = new Scanner(System.in);
        double w = sc.nextLong();
        double h = sc.nextLong();
        double x = sc.nextLong();
        double y = sc.nextLong();
        if(w / 2 == x && h / 2 == y) {
            System.out.print(w * h / 2);
            System.out.println(" 1");
        }else {
            System.out.print(w * h / 2);
            System.out.println(" 0");
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) double w = sc.nextLong(); w sc.nextLong() sc.nextLong sc double h = sc.nextLong(); h sc.nextLong() sc.nextLong sc double x = sc.nextLong(); x sc.nextLong() sc.nextLong sc double y = sc.nextLong(); y sc.nextLong() sc.nextLong sc if(w / 2 == x && h / 2 == y) {
            System.out.print(w * h / 2);
            System.out.println(" 1");
        }else {
            System.out.print(w * h / 2);
            System.out.println(" 0");
        } w / 2 == x && h / 2 == y w / 2 == x w / 2 w 2 x h / 2 == y h / 2 h 2 y {
            System.out.print(w * h / 2);
            System.out.println(" 1");
        } System.out.print(w * h / 2) System.out.print System.out System System.out w * h / 2 w * h w h 2 System.out.println(" 1") System.out.println System.out System System.out " 1" {
            System.out.print(w * h / 2);
            System.out.println(" 0");
        } System.out.print(w * h / 2) System.out.print System.out System System.out w * h / 2 w * h w h 2 System.out.println(" 0") System.out.println System.out System System.out " 0" String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double w = sc.nextLong();
        double h = sc.nextLong();
        double x = sc.nextLong();
        double y = sc.nextLong();
        if(w / 2 == x && h / 2 == y) {
            System.out.print(w * h / 2);
            System.out.println(" 1");
        }else {
            System.out.print(w * h / 2);
            System.out.println(" 0");
        }
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double w = sc.nextLong();
        double h = sc.nextLong();
        double x = sc.nextLong();
        double y = sc.nextLong();
        if(w / 2 == x && h / 2 == y) {
            System.out.print(w * h / 2);
            System.out.println(" 1");
        }else {
            System.out.print(w * h / 2);
            System.out.println(" 0");
        }
    }
} Main
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double w = sc.nextLong();
        double h = sc.nextLong();
        double x = sc.nextLong();
        double y = sc.nextLong();
        if(w / 2 == x && h / 2 == y) {
            System.out.print(w * h / 2);
            System.out.println(" 1");
        }else {
            System.out.print(w * h / 2);
            System.out.println(" 0");
        }
    }
}