N, D = map(int, input().split())
A = list(map(int, input().split()))
X = [0]
for i in range(N - 1):
    X.append(X[-1] + A[i])
for i in range(1, N):
    if X[i] - X[i - 1] >= D:
        continue
    else:
        X[i] = X[i - 1] + D
print(*X)