#include <bits/stdc++.h>
using namespace std;
#define repl(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define rep(i,n) repl(i,0,n)
#define mp(a,b) make_pair((a),(b))
#define pb(a) push_back((a))
#define all(x) (x).begin(),(x).end()
#define uniq(x) sort(all(x)),(x).erase(unique(all(x)),end(x))
#define fi first
#define se second
#define dbg(x) cout<<#x" = "<<((x))<<endl
template<class T,class U> ostream& operator<<(ostream& o, const pair<T,U> &p){o<<"("<<p.fi<<","<<p.se<<")";return o;}
template<class T> ostream& operator<<(ostream& o, const vector<T> &v){o<<"[";for(T t:v){o<<t<<",";}o<<"]";return o;}

#define INF 2147483600

int main(){
  int l1,l2,l3,a,b,c;
  cin>>l1>>l2>>l3>>a>>b>>c;

  auto calc = [&](int r, int g, int b){
    return (l1+l2)*r + (l2+l3)*g + (l1+l3)*b;
  };

  vector<int> cand;
  cand.pb(calc(a,b,c));
  cand.pb(calc(a,c,b));
  cand.pb(calc(b,a,c));
  cand.pb(calc(b,c,a));
  cand.pb(calc(c,a,b));
  cand.pb(calc(c,b,a));

  cout << 2 * (*min_element(all(cand))) << endl;

  return 0;
}