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

ans += 100*h[0]
ans -= 50*h[1]
print ans
