from collections import deque

A=list(map(int,input().split()))
DB=int(input())
B=list(map(int,input().split()))
DC=int(input())
C=list(map(int,input().split()))

DP=dict()

DP[tuple(A)]=0

Q=deque()
Q.append((0,A[0],A[1],A[2]))

def calc_b(x,y,z):
    money=DB
    
    k=money//1000
    MIN=min(k,x)
    x-=MIN
    money-=MIN*1000

    k=money//100
    MIN=min(k,y)
    y-=MIN
    money-=MIN*100

    z-=money

    if x>=0 and y>=0 and z>=0:
        return x+B[0],y+B[1],z+B[2]

    return -1,-1,-1

def calc_c(x,y,z):
    money=DC
    
    k=money//1000
    MIN=min(k,x)
    x-=MIN
    money-=MIN*1000

    k=money//100
    MIN=min(k,y)
    y-=MIN
    money-=MIN*100

    z-=money

    if x>=0 and y>=0 and z>=0:
        return x+C[0],y+C[1],z+C[2]

    return -1,-1,-1

while Q:
    time,a,b,c=Q.popleft()
    if DP[a,b,c]!=time:
        continue

    a2,b2,c2=calc_b(a,b,c)

    if a2>=0 and b2>=0 and c2>=0:
        if (a2,b2,c2) in DP:
            if DP[(a2,b2,c2)]>time-1:
                DP[a2,b2,c2]=time-1
                Q.append((time-1,a2,b2,c2))
                
        else:
            DP[a2,b2,c2]=time-1
            Q.append((time-1,a2,b2,c2))

    a2,b2,c2=calc_c(a,b,c)

    if a2>=0 and b2>=0 and c2>=0:
        if (a2,b2,c2) in DP:
            if DP[(a2,b2,c2)]>time-1:
                DP[a2,b2,c2]=time-1
                Q.append((time-1,a2,b2,c2))
        else:
            DP[a2,b2,c2]=time-1
            Q.append((time-1,a2,b2,c2))

print(-min(DP.values()))