L = list(map(int,input().split()))
RBY = list(map(int,input().split()))
SL = sum(L)
L2 = []
for i in range(3):
    L2.append(2*(SL-L[i]))
ans = 10 ** 6
from itertools import permutations
for X in permutations(range(3),3):
    tmp = 0
    for i in range(3):
        tmp += L2[i] * RBY[X[i]]
    ans = min(ans,tmp)
print(ans)