using static System.Math;
using System;

public class Hello
{
    static void Main()
    {
        string[] line = Console.ReadLine().Trim().Split(' ');
        var n = int.Parse(line[0]);
        var d = int.Parse(line[1]);
         line = Console.ReadLine().Trim().Split(' ');
        var a = Array.ConvertAll(line, int.Parse);
        getAns(n, d, a);
    }
    static void getAns (int n,int d, int[] a)
    {
        var res = new int[n];
        res[0] = 0;
       var now = 0;
        for (int i = 0; i < n-1; i++)
        {
            now += a[i];
            res[i + 1]  = Max(now, res[i] + d);
        }
        Console.WriteLine(string.Join(" ",res));
    }
}