from itertools import permutations

L = map(int, raw_input().split())
color = map(int, raw_input().split())

mn = float("inf")
for ls in permutations(L):
    total = 0
    for i in xrange(3):
        total += (ls[i] * 2 + ls[(i + 1) % 3] * 2) * color[i]
    mn = min(total, mn)

print mn