#!/usr/bin/python
from itertools import permutations
l1, l2, l3 = map(int, raw_input().split())
r, b, y = map(int, raw_input().split())
m1 = (l1 + l2) * 2
m2 = (l2 + l3) * 2
m3 = (l3 + l1) * 2
res = min(m1*c1+m2*c2+m3*c3 for c1, c2, c3 in permutations((r, b, y)))
print res