T = list(map(int, input().split()))
A, S = 6000, 0
Flag = True
for i in range(7):
    if T[i] != -1 and Flag:
        S += T[i]
        ANS = A-S
        if ANS >= 0:
            print(ANS)
        else:
            print(-1)
    else:
        print(-1)
        Flag = False