#include <bits/stdc++.h>

using ll = long long;

using namespace std;

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n,d;
    cin >> n >> d;

    int pa[n]{0};
    int* p = &pa[0];
    string s{ "0 " };
    for (int i = 1; i < n; ++i)
    {
        cin >> *++p;
        if (*p - pa[i - 1] < d)
            *p = pa[i - 1] + d;

        s += to_string(*p) + " ";
    }

    printf("%s", s.c_str());

    return 0;
}