import java.util.*;

public class Main {
	public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
		long n = sc.nextLong();
		HashSet<Long> set = new HashSet<>();
		for (long i = 1; i <= Math.pow(10, 18); i *= 2) {
		    set.add(i);
		}
		for (long i = 3; i <= n / 2; i++) {
		    if (!set.contains(i) && !set.contains(n - i)) {
		        System.out.println(i + " " + (n - i));
		        return;
		    }
		}
		System.out.println(-1);
	}
}