PokemonDontGo

package ListsExercise;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;

public class PokemonDontGo {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int[] input = Arrays.stream(scanner.nextLine().split("\\s+")).mapToInt(Integer::parseInt).toArray();
        List<Integer> pokemon = new ArrayList<>();
        for (int var : input) {
            pokemon.add(var);
        }
        int sum = 0;


        while (pokemon.size() > 0) {
            int indexToRemove = Integer.parseInt(scanner.nextLine());
            int indexAmount;

            if (indexToRemove < 0) {
                indexAmount = pokemon.get(0);
                pokemon.set(0, pokemon.get(pokemon.size() - 1));

            } else if (indexToRemove >= pokemon.size()) {
                indexAmount = pokemon.get(pokemon.size() - 1);
                pokemon.set(pokemon.size() - 1, pokemon.get(0));

            } else {
                indexAmount = pokemon.get(indexToRemove);
                pokemon.remove(indexToRemove);

            }
            sum += indexAmount;

            for (int i = 0; i < pokemon.size(); i++) {
                int temp = pokemon.get(i);

                if (pokemon.get(i) <= indexAmount) {
                    temp += indexAmount;
                    pokemon.set(i, temp);
                } else {
                    temp -= indexAmount;
                    pokemon.set(i, temp);
                }
            }
        }
        System.out.println(sum);
    }
}