#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) begin(v),end(v)
template<typename A, typename B> inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; }
template<typename A, typename B> inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; }
using ll = long long;
using pii = pair<int, int>;
constexpr ll INF = 1ll<<30;
constexpr ll longINF = 1ll<<60;
constexpr ll MOD = 1000000007;
constexpr bool debug = false;
//---------------------------------//

int main() {
	int N, D;
	cin >> N >> D;
	vector<int> ans(N);
	ans[0] = 0;
	FOR(i, 1, N) {
		int a;
		scanf("%d", &a);
		ans[i] = max(ans[i - 1] + D, a);
	}
	REP(i, N) printf("%d%c", ans[i], " \n"[i + 1 == N]);
}