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

    println!("{} {}", if n % 2 == 1 { 1 } else { 2 }, n / 2 + n % 2);
    loop {
        let mut t = String::new();
        std::io::stdin().read_line(&mut t).ok();
        let t: usize = t.trim().parse().unwrap();
        if t == 0 || t == 1 { break; }
        let mut kx = String::new();
        std::io::stdin().read_line(&mut kx).ok();
        let kx: Vec<usize> = kx.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
        let k = kx[0];
        let x = kx[1];
        println!("{} {}", k, n + 2 - k - x);
    }
    std::process::exit(0);
}