m = list(map(int, input().split()))
w = list(map(int, input().split()))
hs, hu = map(int, input().split())
res = 0
for i in range(5):
    x = i * 500 + 500
    res += max(0.3 * x, (1 - m[i] / 250) * x - 50 * w[i])
res += hs * 100 - hu * 50
print(int(res))
