#[allow(dead_code)]
#[allow(unused_imports)]
fn read<T: std::str::FromStr>() -> T {
    use std::io::*;
    let stdin = stdin();
    let stdin = stdin.lock();
    let token: String = stdin
        .bytes()
        .map(|c| c.expect("failed to read char") as char)
        .skip_while(|c| c.is_whitespace())
        .take_while(|c| !c.is_whitespace())
        .collect();
    token.parse().ok().expect("failed to parse token")
}
fn enum_divisors(n:i64) -> i64 {
    let mut res = Vec::new();
    let mut i = 1;
    while i * i <= n {
        if n % i == 0 {
            res.push(i);
            if n / i != i {
                res.push(n/i);
            }
        }
        i += 1;
    }
    res.len() as i64
}
fn main(){
    let x:i64 = read();
    let mut ans = 1e18 as i64;
    let mut rec = Vec::new();
    for i in 1..= x / 2 {
        let a = i - enum_divisors(i);
        let b = x - i - enum_divisors(x - i);
        ans = std::cmp::min(ans,(a - b).abs());
    }
    for i in 1..= x/ 2 {
        let a = i -  enum_divisors(i as i64);
        let b = x - i - enum_divisors(x as i64 - i as i64);
        if (a - b).abs() == ans {
            rec.push((i,x - i));
            rec.push((x - i,i));
        }
    }
    rec.sort();
    for i in 0..rec.len() {
        println!("{} {}",rec[i].0, rec[i].1);
    }
}