搭配出售

import java.util.*;
public class Main {
    public static long cal(long d, long a, long e, long b, long f, long c, long g) {
        long cnt = 0;
        long minAd = Math.min(a, d);
        cnt += (minAd * e);
        a -= minAd;
        d -= minAd;
        long minBd = Math.min(b, d);
        cnt += (minBd * f);
        b -= minBd;
        d -= minBd;
        long minCd = Math.min(c, d);
        cnt += (minCd * g);
        c -= minCd;
        d -= minCd;
        return cnt;
    }
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int d = sc.nextInt();
        int e = sc.nextInt();
        int f = sc.nextInt();
        int g = sc.nextInt();
        long[] arr = new long[6];
        arr[0] = cal(d, a, e, b, f, c, g);
        arr[1] = cal(d, a, e, c, g, b, f);
        arr[2] = cal(d, b, f, a, e, c, g);
        arr[3] = cal(d, b, f, c, g, a, e);
        arr[4] = cal(d, c, g, a, e, b, f);
        arr[5] = cal(d, c, g, b, f, a, e);
        Arrays.sort(arr);
        System.out.println(arr[5]);
    }
}