N, D = map(int, input().split())
A = list(map(int, input().split()))

B = [0]
for a in A:
    B += [B[-1] + a]

for _ in range(N):
    C = [0]
    for i in range(N-1):
        if B[i+1] - B[i] < D:
            C += [B[i] + D]
        else:
            C += [B[i+1]]
    B = C
print(C)