import java.util.*;

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());
		
		if(w % 2 == 0 && w / 2 == x && h % 2== 0 && h / 2 == y) {
		    System.out.println(Double.toString((double)w * (double)h / 2.0) + ' ' + '1');
		}
		else {
		    System.out.println(Double.toString((double)w * (double)h / 2.0) + ' ' + '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