use std::cmp::max;

fn main() {
    let mut nd = String::new();
    std::io::stdin().read_line(&mut nd).ok();
    let nd: Vec<usize> = nd.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let n = nd[0];
    let d = nd[1];
    let mut a = String::new();
    std::io::stdin().read_line(&mut a).ok();
    let mut pos: Vec<usize> = vec![0; n];
    a.trim().split_whitespace().map(|s| s.parse::<usize>().unwrap()).enumerate().for_each(|pair| {
        pos[pair.0 + 1] = pos[pair.0] + pair.1;
    });
    let mut result: Vec<usize> = vec![0; n];
    pos.iter().enumerate().for_each(|pair| {
        if pair.0 > 0 {
            result[pair.0] = max(*pair.1, result[pair.0 - 1] + d);
        }
    });
    println!("{}", result.iter().map(|&i| i.to_string()).collect::<Vec<_>>().join(" "));
}