using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = long.Parse(ReadLine());
        if (n < 8)
        {
            WriteLine(-1);
            return;
        }
        if (IsPow(n - 3)) WriteLine($"5 {n - 5}");
        else WriteLine($"3 {n - 3}");
    }
    static bool IsPow(long n)
    {
        while (n > 1)
        {
            if (n % 2 == 1) return false;
            n >>= 1;
        }
        return true;
    }
}