use std::cmp::{min, max};

fn calc(i: usize, x: usize, d: &Vec<usize>) -> usize {
    let a = i - d[i];
    let b = x - i - d[x-i];
    max(a, b) - min(a, b)
}

fn main() {
    let mut x = String::new();
    std::io::stdin().read_line(&mut x).ok();
    let x: usize = x.trim().parse().unwrap();

    let mut divs: Vec<usize> = vec![2; x+1];
    divs[0] = 0;
    divs[1] = 1;
    for i in 2..=x/2 {
        for j in 2..=x/i {
            divs[i*j] += 1;
        }
    }
    let mut minval: usize = x;
    for i in 1..=x/2 {
        minval = min(minval, calc(i, x, &divs));
    }
    (1..x)
        .map(|i| calc(i, x, &divs))
        .enumerate()
        .filter(|pair| pair.1 == minval)
        .for_each(|pair| { println!("{} {}", pair.0 + 1, x - pair.0 - 1); })
    ;
}