import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int W = Integer.parseInt(sc.next());
		int H = Integer.parseInt(sc.next());
		int x = Integer.parseInt(sc.next());
		int y = Integer.parseInt(sc.next());
		
		System.out.print((double)W*(double)H/(double)2);
		if(x/1.0==W/2.0 &&y/1.0==H/2.0) {
			System.out.print(" ");
			System.out.println(1);
		}else {
			System.out.print(" ");
			System.out.println(0);
		}
		
		sc.close();
	}
}
/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