import java.util.*;
import java.io.*;
import java.math.*;
public class Main {
	static int R;
	static int B;
	static int Y;
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int[] l = new int[3];
		l[0] = sc.nextInt();
		l[1] = sc.nextInt();
		l[2] = sc.nextInt();
		R = sc.nextInt();
		B = sc.nextInt();
		Y = sc.nextInt();
		
		int min = check(l,new boolean[3],new int[3],0);
		System.out.println(min);
		
	}
	static int check(int[] a, boolean[] b, int[] c, int d) {
		if(d == 3) {
			return c[0] * 2 * R + c[2] * 2 * R + c[0] * 2 * B + c[1] * 2 * B + c[1] *2 * Y + c[2] * 2 * Y;
		}
		int min = Integer.MAX_VALUE;
		for(int i = 0; i < 3; i++) {
			if(b[i]) continue;
			b[i] = true; c[d] = a[i];
			min = Math.min(check(a,b,c,d+1), min);
			b[i] = false; c[d] = 0;
		}
		return min;
	}
}