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
 *
 * @author silviase
 */
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);
        No638Sumofnotpowerof2 solver = new No638Sumofnotpowerof2();
        solver.solve(1, in, out);
        out.close();
    }

    static class No638Sumofnotpowerof2 {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            long n = in.nextLong();
            long a = 3;
            while (a <= Math.min(10, n / 2)) {
                if (!Arith.isNibeki(a) && !(Arith.isNibeki(n - a))) {
                    out.println(a + " " + (n - a));
                    return;
                }
                a++;
            }

            out.println(-1);

        }

    }

    static class Arith {
        public static boolean isNibeki(long num) {
            while (num > 1) {
                if (num % 2 != 0) return false;
                num /= 2;
            }
            return true;
        }

    }
}