import java.util.*;
 
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        long w = Long.parseLong(sc.next());
        long h = Long.parseLong(sc.next());
        long x = Long.parseLong(sc.next());
        long y = Long.parseLong(sc.next());
        double ans = (double)(w*h)/2;
        int hukusu = 0;
        if((double)x == (double)w/2.0 && (double)y == (double)h/2.0) {
            hukusu = 1;
        }
        System.out.println(ans+" "+hukusu);
    }
}
/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