using System;

namespace prob638
{
    class Program
    {
        public static ulong[] data = new ulong[60];
        static void Main(string[] args)
        {
            data[0] = 1;
            for (int i = 1; i < 60; i++)
            {
                data[i] = data[i-1] * 2;
            }
            long a = long.Parse(Console.ReadLine());
            long ret = -1;
            bool flg = false;
            for (long i = 1; i < a/2+1; i++)
            {
                if (!ispower2((ulong)i) && !ispower2((ulong)(a - i)))
                {
                    flg = true;
                    ret = i;
                    break;
                }
                else
                {
                    flg = false;
                }
            }
            if (flg==false)
            {
                Console.WriteLine(-1);
            }
            else
            {
                Console.WriteLine("{0} {1}", ret,(long)(a-ret));
            }
        }

        static bool ispower2(ulong v)
        {
            
            if (Array.IndexOf(data, v)>-1)
            {
                
                return true;
            }
            else
            {
                return false;
            }
            
        }
    }
}