import java.util.*;

public class Main {
    static Scanner scanner = new Scanner(System.in);

    public static void main(String[]$) {
        double w = scanner.nextInt();
        double h = scanner.nextInt();
        double x = scanner.nextInt();
        double y = scanner.nextInt();
        System.out.println(w * h / 2 + " " + (x * 2 == w && y * 2 == h ? 1 : 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