using System;

namespace _638
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] a = new int[] { 3,5,6,7 };
            long n = long.Parse(Console.ReadLine());
            if (n < 8) Console.WriteLine(-1);
            else
            {
                int i = 0;
                for (; true; i++)
                {
                    long x = n - a[i];
                    while (x % 2 == 0) x /= 2;
                    if (x != 1) break;
                }
                Console.WriteLine(a[i] + " " + (n - a[i]));
            }
        }
    }
}