
import java.util.Scanner;

/**
 * @author author
 *
 */
public class Main {

  /**
   * @param args
   */
  public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);
    Double w = Double.parseDouble(sc.next());
    Double h = Double.parseDouble(sc.next());
    Double x = Double.parseDouble(sc.next());
    Double y = Double.parseDouble(sc.next());

    int numberOfLine = 0;
    Double area = (w * h) / 2;

    if (x * 2 == w && y * 2 == h) {
      numberOfLine = 1;
    }
    System.out.println(area + " " + numberOfLine);

  }

}

/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