package Q5Lists;

import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
import java.util.stream.Collectors;

public class Exc9 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        List<Integer> sequence = Arrays.stream(scan.nextLine().split("\\s+")).map(Integer::parseInt).collect(Collectors.toList());
        int sum = 0;
        while (sequence.size() != 0) {
            int index = Integer.parseInt(scan.nextLine());
            if (0 <= index && index < sequence.size()) {
                int pokemon = sequence.get(index);
                sequence.remove(index);
                sum += pokemon;
                pokemonGo(sequence, index, pokemon);
            } else if (index < 0) {
                sum += sequence.get(0);
                pokemonGo(sequence, 0);
            } else {
                sum += sequence.get(sequence.size() - 1);
                pokemonGo(sequence, sequence.size() - 1);
            }
        }
        System.out.println(sum);
    }

    private static List pokemonGo(List<Integer> sequence, int index, int removed) {
        for (int i = 0; i < sequence.size(); i++) {
            if (sequence.get(i) <= removed) {
                sequence.set(i, sequence.get(i) + removed);
            } else {
                sequence.set(i, sequence.get(i) - removed);
            }
        }
        return sequence;
    }

    private static List pokemonGo(List<Integer> sequence, int index) {
        int removed = sequence.get(index);
        sequence.set(sequence.size() - 1 - index, sequence.get(index));
        for (int i = 0; i < sequence.size(); i++) {
            if (sequence.get(i) <= removed) {
                sequence.set(i, sequence.get(i) + removed);
            } else {
                sequence.set(i, sequence.get(i) - removed);
            }
        }
        return sequence;
    }
}