N,D = map(int,input().split())
A = [int(x) for x in input().split()]

P = [0]*N
for i in range(1,N):
    P[i] = P[i-1] + A[i-1] 
    
#print(P)

for i in range(N-1):
    d = P[i+1] - P[i]
    if d < D:
        P[i+1] = P[i] + D

print(*P)