import java.io.*;
import java.util.*;


public class Main_yukicoder638 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		long n = sc.nextLong();

		Set<Long> hs = new HashSet<>();
		for (int i = 0; i < 61; i++) {
			hs.add(1L << i);
		}

		for (long i = 3; i <= n - i; i++) {
			if (hs.contains(i) || hs.contains(n - i)) {
				continue;
			}

			pr.printf("%d %d\n", i, n - i);
			return;
		}

		pr.println(-1);
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(System.in);
		pr = new Printer(System.out);

		solve();

		pr.close();
		sc.close();
	}

	private static class Printer extends PrintWriter {
		Printer(PrintStream out) {
			super(out);
		}
	}
}