m = list(map(int,input().split()))
w = list(map(int,input().split()))
s,u = map(int,input().split())
sum=0
x=[500,1000,1500,2000,2500]
for i in range(0,5):
    sum+= max(0.3*x[i],(1-(m[i]/250))*x[i] - 50*w[i])
print(int(sum+100*s-50*u)) 