x = [500, 1000, 1500, 2000, 2500]
m = map(int, raw_input().split(" "))
w = map(int, raw_input().split(" "))
hs, hu = map(int, raw_input().split(" "))
ans = 0
for i in range(5):
    a = max(0.3 * x[i], x[i] - m[i] * x[i] / 250 - 50 * w[i])
    ans += a
ans += 100 * hs - 50 * hu
print int(ans)
