fn main() {
    let mut nk = String::new();
    std::io::stdin().read_line(&mut nk).ok();
    let nk: Vec<usize> = nk.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let n = nk[0];
    let k = nk[1];

    let mut result = vec![1usize; n];
    result[0] = 2*k;
    result[1] = n + 2*k - 2;
    println!("{}", result.into_iter().map(|v| v.to_string()).collect::<Vec<_>>().join(" "));
}