n,d=map(int,input().split())
A=[int(i) for i in input().split()]
Ans=[0]
for a in A:
    Ans.append(a+Ans[-1])
for i in range(1,n):
    if Ans[i]-Ans[i-1]<d:
        Ans[i]=Ans[i-1]+d
print(*Ans)