import java.util.Scanner;
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();
    int b = 0;
    double a = w * h / 2;
    if(w / 2 == x && h / 2 == y){
      b = 1;
    }
   
    System.out.println(a + " " + b);
  }
} import java.util.Scanner; Scanner java.util 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();
    int b = 0;
    double a = w * h / 2;
    if(w / 2 == x && h / 2 == y){
      b = 1;
    }
   
    System.out.println(a + " " + b);
  }
} 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();
    int b = 0;
    double a = w * h / 2;
    if(w / 2 == x && h / 2 == y){
      b = 1;
    }
   
    System.out.println(a + " " + b);
  } main {
    Scanner sc = new Scanner(System.in);
    double w = sc.nextInt();
    double h = sc.nextInt();
    double x = sc.nextInt();
    double y = sc.nextInt();
    int b = 0;
    double a = w * h / 2;
    if(w / 2 == x && h / 2 == y){
      b = 1;
    }
   
    System.out.println(a + " " + b);
  } 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 int b = 0; b 0 double a = w * h / 2; a w * h / 2 w * h w h 2 if(w / 2 == x && h / 2 == y){
      b = 1;
    } w / 2 == x && h / 2 == y w / 2 == x w / 2 w 2 x h / 2 == y h / 2 h 2 y {
      b = 1;
    } b = 1 b 1 System.out.println(a + " " + b) System.out.println System.out System System.out a + " " + b a + " " + b a " " b String[] args args
import java.util.Scanner;
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();
    int b = 0;
    double a = w * h / 2;
    if(w / 2 == x && h / 2 == y){
      b = 1;
    }
   
    System.out.println(a + " " + b);
  }
}