import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int w = sc.nextInt();
        int h = sc.nextInt();
        int x = sc.nextInt();
        int y = sc.nextInt();
        sc.close();

        double ans = (double)w * (double)h / (double)2;
        if (x * 2 == w && y * 2 == h) {
            System.out.println(ans + " 1");
        } else if ((x * 2 == w && y * 2 != h) || (x * 2 != w && y * 2 == h)) {
            System.out.println(ans + " 0");
        } else {
            System.out.println(ans + " 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