#include <bits/stdc++.h>

using namespace std;

using ll = long long;

constexpr char newl = '\n';

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

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

    int pos = 0;
    cout << 0;
    int sum = 0;
    for (int i = 1; i < n; i++) {
        int a;
        cin >> a;
        sum += a;
        pos = max(sum, pos + d);
        cout << " " << pos;
    }
    cout << newl;

    return 0;
}