fn main() {
    let (n, x) = input_tuple();
    let a_b = input_tuple_vec::<usize>(n);

    let mut list = vec![0; x + 1];

    for &(a, b) in &a_b {
        list[a] = list[a].max(b);

        let mut light = b;
        let mut j = a;

        while light > 0 {
            light -= 1;
            j += 1;

            if j > x {
                break;
            }

            list[j] = list[j].max(light);
        }

        let mut light = b;
        let mut j = a;

        while light > 0 {
            light -= 1;
            j -= 1;

            if j == 0 {
                break;
            }

            list[j] = list[j].max(light);
        }

        // println!("{:?}", list);
    }

    let text = &list[1..=x]
        .iter()
        .map(|x| x.to_string())
        .collect::<Vec<_>>()
        .join(" ");

    println!("{}", text);
}

fn input_tuple<T>() -> (T, T)
where
    T: std::str::FromStr,
    <T as std::str::FromStr>::Err: std::fmt::Debug,
{
    let stdin = std::io::stdin();

    let mut buf = String::new();
    stdin.read_line(&mut buf).unwrap();
    buf = buf.trim_end().to_owned();

    let mut iter = buf.split_whitespace();

    let n = iter.next().unwrap().parse().unwrap();
    let m = iter.next().unwrap().parse().unwrap();

    (n, m)
}

fn input_tuple_vec<T>(n: usize) -> Vec<(T, T)>
where
    T: std::str::FromStr,
    <T as std::str::FromStr>::Err: std::fmt::Debug,
{
    // タプルのベクタ

    let stdin = std::io::stdin();

    let mut s_t_d = Vec::with_capacity(n);

    for _ in 0..n {
        let mut buf = String::new();
        stdin.read_line(&mut buf).unwrap();
        buf = buf.trim_end().to_owned();

        let mut iter = buf.split_whitespace();

        let s = iter.next().unwrap().parse().unwrap();
        let t = iter.next().unwrap().parse().unwrap();
        // let d = iter.next().unwrap().parse().unwrap();

        s_t_d.push((s, t));
    }

    s_t_d
}