use std::cmp;
use std::io::{ self, prelude::* };

fn is_pow2(x: u64) -> bool {
    assert!(x > 0);
    (x & (x-1)) == 0
}

fn main() {
    let mut s = String::new();
    io::stdin().read_to_string(&mut s).unwrap();
    let mut tokens = s.split_whitespace();

    let n: u64 = tokens.next().unwrap().parse().unwrap();

    for a in 3..cmp::min(1000,n) {
        let b = n - a;
        if !is_pow2(a) && !is_pow2(b) {
            println!("{} {}", a, b);
            return;
        }
    }

    println!("-1");
}