import sys
readline=sys.stdin.readline
write=sys.stdout.write
from math import gcd as GCD
import math

N,D=map(int,readline().split())
A=[0]+list(map(int,readline().split()))
for i in range(1,N):
    A[i]+=A[i-1]
for i in range(1,N):
    A[i]=max(A[i],A[i-1]+D)
print(*A)