package main

import (
	"bufio"
	"fmt"
	"math"
	"os"
	"strconv"
)

var sc = bufio.NewScanner(os.Stdin)

func Scanner() string {
	sc.Scan()
	return sc.Text()
}
func main() {
	buf := make([]byte, 0)
	sc.Buffer(buf, 100000007)
	sc.Split(bufio.ScanWords)
	n, _ := strconv.Atoi(Scanner())
	flag := false
	if n-3 > 2 && n != 7 {
		for i := 2; i < 60; i++ {
			if math.Pow(2.0, float64(i)) == float64(n-3) {
				flag = true
				break
			}
		}
		if flag {
			fmt.Printf("5 %d", n-5)
		} else {
			fmt.Printf("3 %d", n-3)
		}
	} else {
		fmt.Print("-1")
	}
	fmt.Println()
}