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


x = [0] * N
for i, n in enumerate(a):
    x[i+1] = x[i] + n

for i in range(N-1):
    if x[i+1] - x[i] < D:
        x[i+1] = x[i] + D
print(*x)