import java.util.*;
class Main{
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    double H = scan.nextDouble();
    double W = scan.nextDouble();
    double X = scan.nextDouble();
    double Y = scan.nextDouble();
    int c = 0;
    if (X==H/2 && Y==W/2){
      c = 1;
    }
    System.out.println((H*W/2)+" "+c);
  }
} import java.util.*; util.* java class Main{
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    double H = scan.nextDouble();
    double W = scan.nextDouble();
    double X = scan.nextDouble();
    double Y = scan.nextDouble();
    int c = 0;
    if (X==H/2 && Y==W/2){
      c = 1;
    }
    System.out.println((H*W/2)+" "+c);
  }
} Main public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    double H = scan.nextDouble();
    double W = scan.nextDouble();
    double X = scan.nextDouble();
    double Y = scan.nextDouble();
    int c = 0;
    if (X==H/2 && Y==W/2){
      c = 1;
    }
    System.out.println((H*W/2)+" "+c);
  } main {
    Scanner scan = new Scanner(System.in);
    double H = scan.nextDouble();
    double W = scan.nextDouble();
    double X = scan.nextDouble();
    double Y = scan.nextDouble();
    int c = 0;
    if (X==H/2 && Y==W/2){
      c = 1;
    }
    System.out.println((H*W/2)+" "+c);
  } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) double H = scan.nextDouble(); H scan.nextDouble() scan.nextDouble scan double W = scan.nextDouble(); W scan.nextDouble() scan.nextDouble scan double X = scan.nextDouble(); X scan.nextDouble() scan.nextDouble scan double Y = scan.nextDouble(); Y scan.nextDouble() scan.nextDouble scan int c = 0; c 0 if (X==H/2 && Y==W/2){
      c = 1;
    } X==H/2 && Y==W/2 X==H/2 X H/2 H 2 Y==W/2 Y W/2 W 2 {
      c = 1;
    } c = 1 c 1 System.out.println((H*W/2)+" "+c) System.out.println System.out System System.out (H*W/2)+" "+c (H*W/2)+" "+c (H*W/2) H*W H W 2 " " c String[] args args
import java.util.*;
class Main{
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    double H = scan.nextDouble();
    double W = scan.nextDouble();
    double X = scan.nextDouble();
    double Y = scan.nextDouble();
    int c = 0;
    if (X==H/2 && Y==W/2){
      c = 1;
    }
    System.out.println((H*W/2)+" "+c);
  }
}