import java.util.*;
import java.io.*;
import java.math.*;

public class No268 {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int[] l = {sc.nextInt(), sc.nextInt(), sc.nextInt()};
//		int l1 = sc.nextInt(), l2 = sc.nextInt(), l3 = sc.nextInt();
		int r = sc.nextInt(), b = sc.nextInt(), y = sc.nextInt();
		int ans = Integer.MAX_VALUE;
		for(int i = 0; i < 3; i++) {
			int t = 0;
			t +=(l[0]+l[2])*2*r + (l[1]+l[2])*2*b + (l[1]+l[0])*2*y;
			ans = Math.min(ans, t);
			
			int k;
			k = l[0];
			l[0] = l[1];
			l[1] = l[2];
			l[2] = k;
		}
		System.out.println(ans);
	}
}