import java.io.*;
import java.util.*;
public class Main {

	public static void main(String[] args) {
		InputReader in = new InputReader();
		double w = in.nextInt();
		double h = in.nextInt();
		double x = in.nextInt();
		double y = in.nextInt();
		
		int numWays = 0;
		if (x == w/2 && y == h/2)
			++numWays;
		System.out.println(w*h/2 + " " + numWays);
	}
	
	static class InputReader {
		public BufferedReader br;
		public StringTokenizer st;
		
		public InputReader() {
			br = new BufferedReader(new InputStreamReader(System.in));
			st = null;
		}
		
		public String next() {
			while (st == null || !st.hasMoreTokens()) {
				try {
					st = new StringTokenizer(br.readLine());
				}
				catch (IOException e) {
					throw new RuntimeException(e);
				}
			}
			return st.nextToken();
		}
		
		public int nextInt() {
			return Integer.parseInt(next());
		}
	}
}

/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