using System;

public class Hello
{
    public static void Main()
    {
        var s = new long[60];
        s[0] = 1;
        for (int i = 1; i < 60; i++)
            s[i] = s[i - 1] * 2L;
        var n = long.Parse(Console.ReadLine().Trim());
        var a = 1L;
        for (int i = 3; i <= n; i++)
            if (check(s, i) && check(s, n - i)) { Console.WriteLine("{0} {1}", i, n - i); goto end; }
        Console.WriteLine(-1);
        end:;
    }
    public static bool check(long[] s, long n)
    {
        for (int i = 0; i < 60; i++)
        {
            if (n == s[i]) return false;
            else if (n < s[i]) return true;
        }
        return true;
    }
}