import java.util.Scanner;
 
public class Main{
  public static void main(String[] args){
	Scanner in=new Scanner(System.in);
  	int W=in.nextInt();
    int H=in.nextInt();
    int x=in.nextInt();
    int y=in.nextInt();
    int m;
    double mid_W=(double)W/2;
    double mid_H=(double)H/2;
    if(mid_W==x && mid_H==y)
      m=1;
    else
      m=0;
    double area=(double)W*H/2;
    System.out.println(area+" "+m);
    in.close();
  }
}
/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