import java.util.*;

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 count = 0;

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