import sys
m = list(map(int, input().split()))
w = list(map(int, input().split()))
hs,hu = map(int, input().split())
x = [500,1000,1500,2000,2500]
ans = hs*100 - hu*50
for i in range(5):
    ans += max(0.3 *x[i], (1 - m[i]/250)*x[i] -50*w[i])
print(int(ans))