#include <iostream>
using namespace std;
#include <cstdio>
#include <string.h>
#include <stdlib.h>
#include <math.h>

int l[3];

int tigauyo(int a)
{
   int i,j,k;
   int ans=0;
   for(i=0;i<3;i++) {
      if(i != a) ans += l[i];
   }
   return ans;
}
int main(void)
{
   int i,j,k;
   int memory[2];
   int height[10];
   int n;
   int r,b,y;
   int ans;

   cin >> l[0] >> l[1] >> l[2] ;
   cin >> r >> b >> y ;

   ans = 10000000;

   for(i=0;i<3;i++) {
      for(j=0;j<3;j++) {
         if(i == j) continue;
         for(k=0;k<3;k++) {
            if(i == k || j == k) continue;
            if(r*tigauyo(i)+b*tigauyo(j)+y*tigauyo(k) < ans) {
               ans = r*tigauyo(i)+b*tigauyo(j)+y*tigauyo(k);
            }
         }
      }
   }
   cout << ans*2 << endl;
   return 0;
}