PokemonDontGo

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

public class PokemonDontGo {
    public static void main(String[] args) {
        // instantiate scanner class read input and convert to list of integer
        Scanner sc = new Scanner(System.in);
        List<Integer> pokes = Arrays.stream(sc.nextLine().split("\\s+")).map(Integer::parseInt).collect(Collectors.toList());

        // declare int variable for summary of catches
        int sumOfPokes = 0;

        // loop until no pokes left
        while (!pokes.isEmpty()){

            // get int from scanner (console)
            int index = Integer.parseInt(sc.nextLine());

            // declare int variable actual pokemon
            int actualPoke = 0;
            // on negative index remove first index and copy last to first index
            if (index < 0){
              actualPoke = pokes.get(0);
              pokes.remove(0);
              pokes.add(0, pokes.get(pokes.size() - 1));
            }
            // on index greater than list size remove last index and copy first to last index
            else if (index > pokes.size() - 1){
                actualPoke = pokes.get(pokes.size() - 1);
                pokes.remove(pokes.size() - 1);
                pokes.add(pokes.get(0));
            }
            // on index in range of list remove index
            else {
                actualPoke = pokes.get(index);
                pokes.remove(index);
            }
            // when the list is not empty calculate all remaining values
            if (!pokes.isEmpty()){
                for (int i = 0; i < pokes.size(); i++){
                    int p = pokes.get(i);
                    if (p <= actualPoke){
                        p += actualPoke;
                    }
                    else {
                        p -= actualPoke;
                    }
                    pokes.remove(i);
                    pokes.add(i, p);
                }
            }
            // sum the actual removed Pokemon
            sumOfPokes += actualPoke;
        }
        // print the result to console
        System.out.println(sumOfPokes);
    }

}