using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;
using System.Text;

public class Program
{

    public void Proc()
    {
        long num = long.Parse(Reader.ReadLine());
        Dictionary<long, bool> dic = new Dictionary<long, bool>();
        for (int i = 0; i <= 62; i++) {
            dic.Add(1L<<i, true);
        }

        long max = num / 2;
        for (long i = 1; i <= max;i++ ) {
            if(dic.ContainsKey(i)) {
                continue;
            }
            long tmp = num - i;
            if(dic.ContainsKey(tmp)) {
                continue;
            }
            Console.WriteLine(i + " " + tmp);
            return;
        }
        Console.WriteLine(-1);

    }





    public class Reader
    {
        private static StringReader sr;
        public static bool IsDebug = false;
        public static string ReadLine()
        {
            if (IsDebug)
            {
                if (sr == null)
                {
                    sr = new StringReader(InputText.Trim());
                }
                return sr.ReadLine();
            }
            else
            {
                return Console.ReadLine();
            }
        }
        private static string InputText = @"


11





";
    }

    public static void Main(string[] args)
    {
#if DEBUG
        Reader.IsDebug = true;
#endif
        Program prg = new Program();
        prg.Proc();
    }
}