import java.util.Scanner;

class Main{
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		long n=sc.nextInt(),i;
		sc.close();
		if(n-3>2&&n!=7) {
			for(i=2;i<60;++i) if((long)Math.pow(2, i)==n-3) break;
			if(i==60) System.out.print("3 "+(n-3));
			else System.out.print("5 "+(n-5));
		}
		else System.out.print(-1);
	}
}