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import java.util.ArrayList;
import java.util.Arrays;
import java.util.stream.Collectors;

class Solution {
    public int[] solution(int[] arr, int[] query) {
        ArrayList<Integer> slicer = new ArrayList<>
                (Arrays.stream(arr).boxed().collect(Collectors.toList()));
        for (int i = 0; i < query.length; i++) {
            if (i % 2 == 0) {
                int index = i;
                slicer.removeIf(n -> slicer.indexOf(n) > query[index]);
            }
            else {
                int index = i;
                slicer.removeIf(n -> slicer.indexOf(n) < query[index]);
            }
        }
        return slicer.stream().mapToInt(Integer::intValue).toArray();
    }
}