import java.util.*;

class Main{
 public static void main(String[] args){
   Scanner sc = new Scanner(System.in);
   double W = sc.nextInt();
   double H = sc.nextInt();
   double x = sc.nextInt();
   double y = sc.nextInt();
   
   
   System.out.print(W*H/2);
   if((W/2 == x)&&(H/2 == y)){
   System.out.println(" 1");
   }else{
    System.out.println(" 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