#include <bits/stdc++.h>
#include<iostream>
#include<iomanip>
#include<string>
#include<algorithm>
#include<vector>
#include<set>
#include<list>
#include<queue>
#include<math.h>
#include<bitset>
using ll = long long;
using namespace std;

int main()
{
    int l1, l2, l3, r, y, b;
    vector<int> length(3), c(3);
    cin >> l1 >> l2 >> l3 >> c[0] >> c[1] >> c[2];
    length[0] = l1 + l2;
    length[1] = l1 + l3;
    length[2] = l2 + l3;
    sort(c.begin(), c.end());
    sort(length.begin(), length.end());
    cout << length[0]*2*c[2] + length[1]*2*c[1] + length[2]*2*c[0] << endl;
}