import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		double w=sc.nextDouble(),h=sc.nextDouble(),x=sc.nextDouble(),y=sc.nextDouble();
		double sum=w*h;
		if(w/2==x&&h/2==y) {
			System.out.println(sum/2+" "+1);
		}else{
			System.out.println(sum/2+" "+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