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

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

/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