q=lambda:map(int,input().split())
n,d=q(); a=list(q())

nl = [0]

for i in a:
    nl.append(nl[-1] + i)
    
for j in range(len(nl)-1):
    dif = nl[j+1] - nl[j]
    if dif < d:
        nl[j+1] += (d-dif)

print(' '.join(map(str,nl)))