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

/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz