import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.Scanner;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int W = sc.nextInt();
    int H = sc.nextInt();
    int x = sc.nextInt();
    int y = sc.nextInt();
    int flag = 0;

    BigDecimal wBig = new BigDecimal(W);
    BigDecimal hBig = new BigDecimal(H);
    BigDecimal xBig = new BigDecimal(x);
    BigDecimal yBig = new BigDecimal(y);
    BigDecimal two = new BigDecimal(2);

    BigDecimal half = wBig.multiply(hBig).divide(two, 9, RoundingMode.DOWN);

    if(xBig.equals(wBig.divide(two)) && yBig.equals(hBig.divide(two))) {
    	flag = 1;
    }

    System.out.println(half + " " + flag);
  }
}
/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