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