t_list = list(map(int, input().split()))

sum_t = 0
cannot = False
for i in range(7):
    t = t_list[i]
    if t == -1:
        cannot = True
    if cannot:
        print(-1)
        continue
    sum_t += t
    if 6000 - sum_t < 0:
        print(-1)
    else:
        print(6000 - sum_t)