from itertools import accumulate


def main():
    n, d = map(int, input().split())
    a = list(map(int, input().split()))

    seats = list(accumulate([0] + a))
    for i in range(1, n):
        seats[i] = max(seats[i], seats[i - 1] + d)

    print(*a)


if __name__ == "__main__":
    main()