N,D=map(int,input().split())
L=[0]+list(map(int,input().split()))
P=[0]
for i in range(1,N):
    P.append(P[-1]+L[i])
#print(P)
for i in range(1,N):
    if P[i]-P[i-1]<D:
        P[i]=P[i-1]+D
print(*P)