import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double w = sc.nextLong();
        double h = sc.nextLong();
        double x = sc.nextLong();
        double y = sc.nextLong();
        if(w / 2 == x && h / 2 == y) {
            System.out.print(w * h / 2);
            System.out.println(" 1");
        }else {
            System.out.print(w * h / 2);
            System.out.println(" 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