using System;

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

        static bool ispower2(float v)
        {
            float tmp = 1;
            bool ret = false;

            while (true)
            {
                if (tmp>v)
                {
                    return false;
                }
                if (v == tmp)
                {
                    return true;
                }
                tmp = tmp * 2;
            }
        }
    }
}