def accumulate(a):
    n = len(a)
    ret = [0 for i in range(n + 1)]
    for i in range(1, n + 1):
        ret[i] = ret[i - 1] + a[i - 1]
    return ret
    
N, D = map(int, input().split())
a = list(map(int, input().split()))

positions = accumulate(a)
for i in range(1, N):
    gap = positions[i] - positions[i - 1]
    if gap < D:
        positions[i] = positions[i - 1] + D
print(*positions)