N, D = map(int,input().split())
l = list(map(int, input().split()))
nowp = 0
suml = 0
ans = "0 "

for l_i in l:
    suml += l_i
    if suml - nowp < D:
        nowp += D
        ans += (str(nowp) + " ")
    else:
        nowp = suml
        ans += (str(nowp) + " ")


print(ans)