#!/usr/bin/env python3.8
# %%
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
from functools import lru_cache

# %%
A = tuple(map(int, readline().split()))
DB = int(readline())
B = tuple(map(int, readline().split()))
DC = int(readline())
C = tuple(map(int, readline().split()))


# %%
def f(X, Y, Z):
    ret = 0
    for cost, gain in ((DB, B), (DC, C)):
        x = cost // 1000
        if X < x:
            x = X
        cost -= 1000 * x
        y = cost // 100
        if Y < y:
            y = Y
        cost -= 100 * y
        if cost > Z:
            continue
        n = 1 + f(X - x + gain[0], Y - y + gain[1], Z - cost + gain[2])
        if ret < n:
            ret = n
    return ret


# %%
print(f(*A))