import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int w = scanner.nextInt();
        int h = scanner.nextInt();
        int x = scanner.nextInt();
        int y = scanner.nextInt();
        
        if(2*x == w && 2*y == h ) {
        	System.out.println((Double.valueOf(w)*Double.valueOf(h) / Double.valueOf(2))+ " 1");
        } else {
        	System.out.println((Double.valueOf(w)*Double.valueOf(h) / Double.valueOf(2))+ " 0");
        }
    }
    
    
 
}
/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