import java.util.Scanner;
public class Main {
public static void main(String[] args) {
	Scanner sc =new Scanner(System.in);
	double W=sc.nextInt();
	double H=sc.nextInt();
	double x=sc.nextInt();
	double y=sc.nextInt();
	sc.close();

	if(W/2==x&&H/2==y) {
		System.out.println(W*H/2+" "+1);
	}else {
		System.out.println(W*H/2+" "+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.nextInt();
	double H=sc.nextInt();
	double x=sc.nextInt();
	double y=sc.nextInt();
	sc.close();

	if(W/2==x&&H/2==y) {
		System.out.println(W*H/2+" "+1);
	}else {
		System.out.println(W*H/2+" "+0);
	}

}

} Main public static void main(String[] args) {
	Scanner sc =new Scanner(System.in);
	double W=sc.nextInt();
	double H=sc.nextInt();
	double x=sc.nextInt();
	double y=sc.nextInt();
	sc.close();

	if(W/2==x&&H/2==y) {
		System.out.println(W*H/2+" "+1);
	}else {
		System.out.println(W*H/2+" "+0);
	}

} main {
	Scanner sc =new Scanner(System.in);
	double W=sc.nextInt();
	double H=sc.nextInt();
	double x=sc.nextInt();
	double y=sc.nextInt();
	sc.close();

	if(W/2==x&&H/2==y) {
		System.out.println(W*H/2+" "+1);
	}else {
		System.out.println(W*H/2+" "+0);
	}

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

	if(W/2==x&&H/2==y) {
		System.out.println(W*H/2+" "+1);
	}else {
		System.out.println(W*H/2+" "+0);
	}

}

} public class Main {
public static void main(String[] args) {
	Scanner sc =new Scanner(System.in);
	double W=sc.nextInt();
	double H=sc.nextInt();
	double x=sc.nextInt();
	double y=sc.nextInt();
	sc.close();

	if(W/2==x&&H/2==y) {
		System.out.println(W*H/2+" "+1);
	}else {
		System.out.println(W*H/2+" "+0);
	}

}

} Main
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
	Scanner sc =new Scanner(System.in);
	double W=sc.nextInt();
	double H=sc.nextInt();
	double x=sc.nextInt();
	double y=sc.nextInt();
	sc.close();

	if(W/2==x&&H/2==y) {
		System.out.println(W*H/2+" "+1);
	}else {
		System.out.println(W*H/2+" "+0);
	}

}

}
