x = (500, 1000, 1500, 2000, 2500)
m = map(int, raw_input().split())
w = map(int, raw_input().split())
h1, h2 = map(int, raw_input().split())
ans = 0
for i in range(5):
    ans += max(3 * x[i] / 10, (250 - m[i]) * x[i]  / 250 - 50 *w[i])
print ans + 100 * h1 - 50 * h2