import java.util.*;
class Main{
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    double H = scan.nextDouble();
    double W = scan.nextDouble();
    double X = scan.nextDouble();
    double Y = scan.nextDouble();
    int c = 0;
    if (X==H/2 && Y==W/2){
      c = 1;
    }
    System.out.println((H*W/2)+" "+c);
  }
}
/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