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)
	x, _ := strconv.Atoi(Scanner())

	ans := []int{}

	box := make([]int, x+1)
	for i := 1; i < x; i++ {
		for j := i; j <= x; j += i {
			box[j]++
		}
	}

	min := math.MaxInt32
	for i := 1; i < x; i++ {
		num := abs((i - box[i]) - ((x - i) - box[x-i]))
		if num == min {
			ans = append(ans, i)
		} else if num < min {
			min = num
			ans = []int{i}
		}
	}

	for _, i := range ans {
		fmt.Println(i, x-i)
	}
}

func abs(n int) int {
	if n > 0 {
		return n
	} else {
		return n * -1
	}
}