pub mod io { use std::io::{BufRead, ErrorKind}; pub fn scan(r: &mut R) -> Vec { let mut res = Vec::new(); loop { let buf = match r.fill_buf() { Ok(buf) => buf, Err(e) if e.kind() == ErrorKind::Interrupted => continue, Err(e) => panic!(e), }; let (done, used, buf) = { match buf.iter().position(u8::is_ascii_whitespace) { Some(i) => (i > 0 || res.len() > 0, i + 1, &buf[..i]), None => (buf.is_empty(), buf.len(), buf), } }; res.extend_from_slice(buf); r.consume(used); if done { return res; } } } #[macro_export] macro_rules! scan { ($r:expr, [$t:tt; $n:expr]) => { (0..$n).map(|_| scan!($r, $t)).collect::>() }; ($r:expr, [$t:tt]) => { scan!($r, [$t; scan!($r, usize)]) }; ($r:expr, ($($t:tt),*)) => { ($(scan!($r, $t)),*) }; ($r:expr, Usize1) => { scan!($r, usize) - 1 }; ($r:expr, Bytes) => { io::scan($r) }; ($r:expr, String) => { String::from_utf8(scan!($r, Bytes)).unwrap() }; ($r:expr, $t:ty) => { scan!($r, String).parse::<$t>().unwrap() }; } #[macro_export] macro_rules! input { ($r:expr, $($($v:ident)* : $t:tt),* $(,)?) => { $(let $($v)* = scan!($r, $t);)* }; } } fn run(reader: &mut R, writer: &mut W) { input! { reader, n: usize, k: usize, } write!(writer, "{} {}", 2 * k, 2 * k + n - 2).ok(); for _ in 0..n - 2 { write!(writer, " {}", 1).ok(); } writeln!(writer).ok(); } fn main() { let (stdin, stdout) = (std::io::stdin(), std::io::stdout()); let ref mut reader = std::io::BufReader::new(stdin.lock()); let ref mut writer = std::io::BufWriter::new(stdout.lock()); run(reader, writer); } /* a1 = x, a2 = y, a3 = 1,... x * y / (n - 2 + x + y) = k x * y = k * (n - 2 + x + y) x * y - k * x - k * y = k * (n - 2) (x - k)(y - k) = k * (k + n - 2) */