import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner std = new Scanner(System.in);
        long w = std.nextLong();
        long h = std.nextLong();
        long x = std.nextLong();
        long y = std.nextLong();
        
        int same = (w / 2.0 == x && h / 2.0 == y) ? 1 : 0;
        double square = w * h / 2.0;
        System.out.println(String.format("%s %d", square, same));
    }
}
/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