import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		double w = sc.nextDouble();
		double h = sc.nextDouble();
		double x = sc.nextDouble();
		double y = sc.nextDouble();
		double area = w * h / 2;
		int mult = 0;
		if(x * 2 == w && y * 2 == h) mult++;
		System.out.println(area + " " + mult);
	}
}

/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