#include <iostream>
using namespace std;

int BitCount(unsigned long long value)
{
    int count = 0;
    unsigned long long mask = 1;
    
    for(int i = 0; i < 64; i++)
    {
        if(value & mask)
            count++;
        
        mask <<= 1;
    }
    
    return count;
}

bool isPowerOf2(unsigned long long value)
{
    return (BitCount(value) == 1);
}

int main(void)
{
    bool isSolved = false;
    unsigned long long n, a, b;
    cin >> n;
    
    for(unsigned long long i = 3; i <= (n / 2); i++)
    {
        a = i;
        b = n - i;
        
        if(!isPowerOf2(a) && !isPowerOf2(b))
        {
            isSolved = true;
            break;
        }
    }
    
    if(isSolved)
        cout << a << " " << b << "\n";
    else
        cout << "-1\n";
    
    return 0;
}