from itertools import *

L = list(map(int, input().split()))
C = list(map(int, input().split()))
ans = 10 ** 18
for a, b, c in permutations(C):
    val = 2 * a * (L[0] + L[1])
    val += 2 * b * (L[0] + L[2])
    val += 2 * c * (L[1] + L[2])
    ans = min(ans, val)
print(ans)