import java.util.*;
 
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();
    
    int judge = 0;
    double ans = W*H/2;
    if(W/2==x && H/2==y){
      judge = 1;
    }
    
    System.out.println(ans + " " + judge);
    
  }
}
/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