import java.util.*;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		long W = sc.nextLong();
		long H = sc.nextLong();
		long x = sc.nextLong();
		long y = sc.nextLong();
		sc.close();

		double area = (double) W * H / 2;
		int flg = 0;
		if ((double) x == (double) W / 2 && (double) y == (double) H / 2) {
			flg = 1;
		}
		System.out.println(area + " " + flg);
	}
}

/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