import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        CRectangleCutting solver = new CRectangleCutting();
        solver.solve(1, in, out);
        out.close();
    }

    static class CRectangleCutting {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int w = in.nextInt();
            int h = in.nextInt();
            int x = in.nextInt();
            int y = in.nextInt();
            double area = (double) h * w / 2;
            out.println(area + " " + ((x * 2 == w && y * 2 == h) ? 1 : 0));
        }

    }
}
 import java.io.OutputStream; OutputStream java.io import java.io.IOException; IOException java.io import java.io.InputStream; InputStream java.io import java.io.PrintWriter; PrintWriter java.io import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        CRectangleCutting solver = new CRectangleCutting();
        solver.solve(1, in, out);
        out.close();
    }

    static class CRectangleCutting {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int w = in.nextInt();
            int h = in.nextInt();
            int x = in.nextInt();
            int y = in.nextInt();
            double area = (double) h * w / 2;
            out.println(area + " " + ((x * 2 == w && y * 2 == h) ? 1 : 0));
        }

    }
} Main public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        CRectangleCutting solver = new CRectangleCutting();
        solver.solve(1, in, out);
        out.close();
    } main {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        CRectangleCutting solver = new CRectangleCutting();
        solver.solve(1, in, out);
        out.close();
    } InputStream inputStream = System.in; inputStream System.in System System.in OutputStream outputStream = System.out; outputStream System.out System System.out Scanner in = new Scanner(inputStream); in new Scanner(inputStream) PrintWriter out = new PrintWriter(outputStream); out new PrintWriter(outputStream) CRectangleCutting solver = new CRectangleCutting(); solver new CRectangleCutting() solver.solve(1, in, out) solver.solve solver 1 in out out.close() out.close out String[] args args static class CRectangleCutting {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int w = in.nextInt();
            int h = in.nextInt();
            int x = in.nextInt();
            int y = in.nextInt();
            double area = (double) h * w / 2;
            out.println(area + " " + ((x * 2 == w && y * 2 == h) ? 1 : 0));
        }

    } CRectangleCutting public void solve(int testNumber, Scanner in, PrintWriter out) {
            int w = in.nextInt();
            int h = in.nextInt();
            int x = in.nextInt();
            int y = in.nextInt();
            double area = (double) h * w / 2;
            out.println(area + " " + ((x * 2 == w && y * 2 == h) ? 1 : 0));
        } solve {
            int w = in.nextInt();
            int h = in.nextInt();
            int x = in.nextInt();
            int y = in.nextInt();
            double area = (double) h * w / 2;
            out.println(area + " " + ((x * 2 == w && y * 2 == h) ? 1 : 0));
        } int w = in.nextInt(); w in.nextInt() in.nextInt in int h = in.nextInt(); h in.nextInt() in.nextInt in int x = in.nextInt(); x in.nextInt() in.nextInt in int y = in.nextInt(); y in.nextInt() in.nextInt in double area = (double) h * w / 2; area (double) h * w / 2 (double) h * w (double) h w 2 out.println(area + " " + ((x * 2 == w && y * 2 == h) ? 1 : 0)) out.println out area + " " + ((x * 2 == w && y * 2 == h) ? 1 : 0) area + " " + ((x * 2 == w && y * 2 == h) ? 1 : 0) area " " ((x * 2 == w && y * 2 == h) ? 1 : 0) (x * 2 == w && y * 2 == h) x * 2 == w x * 2 x 2 w y * 2 == h y * 2 y 2 h 1 0 int testNumber testNumber Scanner in in PrintWriter out out public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        CRectangleCutting solver = new CRectangleCutting();
        solver.solve(1, in, out);
        out.close();
    }

    static class CRectangleCutting {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int w = in.nextInt();
            int h = in.nextInt();
            int x = in.nextInt();
            int y = in.nextInt();
            double area = (double) h * w / 2;
            out.println(area + " " + ((x * 2 == w && y * 2 == h) ? 1 : 0));
        }

    }
} public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        CRectangleCutting solver = new CRectangleCutting();
        solver.solve(1, in, out);
        out.close();
    }

    static class CRectangleCutting {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int w = in.nextInt();
            int h = in.nextInt();
            int x = in.nextInt();
            int y = in.nextInt();
            double area = (double) h * w / 2;
            out.println(area + " " + ((x * 2 == w && y * 2 == h) ? 1 : 0));
        }

    }
} Main
import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        CRectangleCutting solver = new CRectangleCutting();
        solver.solve(1, in, out);
        out.close();
    }

    static class CRectangleCutting {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int w = in.nextInt();
            int h = in.nextInt();
            int x = in.nextInt();
            int y = in.nextInt();
            double area = (double) h * w / 2;
            out.println(area + " " + ((x * 2 == w && y * 2 == h) ? 1 : 0));
        }

    }
}

