n, d = map(int, input().split())
A = list(map(int, input().split()))

ANS = [0]
for i in range(n - 1):
    ANS.append(ANS[-1] + A[i])
for i in range(1, n):
    dis = ANS[i] - ANS[i - 1]
    if dis < d:
        ANS[i] += d - dis
print(*ANS)