import java.util.Scanner;
public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		
		double w = sc.nextInt();
		double h = sc.nextInt();
		double x = sc.nextInt();
		double y = sc.nextInt();
		
		double ans1 = (w*h)/2;
		if (x==w/2&&y==h/2) {
			System.out.println(ans1 +" "+ 1);
		}
		else
			System.out.println(ans1 +" "+ 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