import java.util.*;

public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int w = sc.nextInt();
    int h = sc.nextInt();
    int x = sc.nextInt();
    int y = sc.nextInt();
    int count = 0;

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

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

    if((double)x==(double)w/2 && (double)y==(double)h/2){
      count += 1;
    }
    System.out.println((double)w*(double)h/2+" "+count);
  } main {
    Scanner sc = new Scanner(System.in);
    int w = sc.nextInt();
    int h = sc.nextInt();
    int x = sc.nextInt();
    int y = sc.nextInt();
    int count = 0;

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

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

    if((double)x==(double)w/2 && (double)y==(double)h/2){
      count += 1;
    }
    System.out.println((double)w*(double)h/2+" "+count);
  }
} Main
import java.util.*;

public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int w = sc.nextInt();
    int h = sc.nextInt();
    int x = sc.nextInt();
    int y = sc.nextInt();
    int count = 0;

    if((double)x==(double)w/2 && (double)y==(double)h/2){
      count += 1;
    }
    System.out.println((double)w*(double)h/2+" "+count);
  }
}