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):
    sc = 500 * (i + 1)
    res += max(0.3 * sc, (1 - m[i] / 250) * sc - 50 * w[i])

res += hs * 100 - hu * 50

print(round(res))