N,D=map(int,input().split())
a=[0]+[*map(int,input().split())]
b=[0]
for i in range(1,N):
    a[i]+=a[i-1]
    b.append(D+a[i]-(a[i]-b[i-1]) if (a[i]-b[i-1])<D else a[i])
print(*b)