#include using namespace std; typedef long long ll; typedef long double ld; typedef pair Pii; typedef pair Pil; typedef pair Pll; typedef pair Pli; typedef vector> Mat; #define fi first #define se second const ll MOD = 1e9 + 7; const ll MOD2 = 998244353; const ll MOD3 = 1812447359; const ll INF = 1ll << 62; const double PI = 2 * asin(1); void yes() { printf("yes\n"); } void no() { printf("no\n"); } void Yes() { printf("Yes\n"); } void No() { printf("No\n"); } void YES() { printf("YES\n"); } void NO() { printf("NO\n"); } int n, d, a[int(1e5 + 5)], ans[int(1e5 + 5)]; int main() { cin >> n >> d; for (int i = 2; i <= n; i++) { cin >> a[i]; ans[i] = ans[i - 1] + a[i]; } for (int i = 2; i <= n; i++) { if (ans[i] - ans[i - 1] >= d) { continue; } else { ans[i] = ans[i - 1] + d; } } for (int i = 1; i <= n; i++) { cout << ans[i] << (i == n ? '\n' : ' '); } return 0; }