#7-A. Uncowed Forces

m = list(map(int,input().split()))
w = list(map(int,input().split()))
s , u = map(int,input().split())
x = [500 , 1000 , 1500 , 2000 , 2500]
ans = 0

for i in range(5):
    ans += max(0.3*x[i] , (1-m[i]/250)*x[i]-50*w[i])

ans += s * 100
ans -= u * 50

print(int(ans))

