import java.util.*;

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