import java.util.Scanner;

public class Main {

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

		double w = in.nextInt();
		double h = in.nextInt();
		double x = in.nextInt();
		double y = in.nextInt();

		System.out.print(w*h/2 + " ");
		
		if( w/2.0 == x && h/2.0 == y ) {
			System.out.print(1);
		}else {
			System.out.print(0);
		}

		in.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