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

su = sum(lt)
su += hs * 100 - hu * 50
print(int(su))
