import java.util.*;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int width = sc.nextInt();
        int height = sc.nextInt();
        int x = sc.nextInt();
        int y = sc.nextInt();

        int  count = 0;
        if (x *2 == width && y * 2 == height){
            count = 1;
        }

        double area = (double)width * (double)height / 2.0;

        System.out.println(String.valueOf(area) + " " + String.valueOf(count));

    }
}
/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