n,m=map(int,input().split())
A=list(map(int,input().split()))
l=[0]
a=0
for i in range(n-1):
    a+=A[i]
    l.append(a)

for i in range(len(l)-1):
    if l[i+1]-l[i]<m:
        l[i+1]+=m-(l[i+1]-l[i])

print(*l)