package Lists_Exercises;

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

public class BombNumbers_05 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        List<Integer> list = Arrays.stream(scanner.nextLine()
                        .split(" "))
                .map(Integer::parseInt)
                .collect(Collectors.toList());

        String[] activators = scanner.nextLine().split(" ");
        int bombNumber = Integer.parseInt(activators[0]);
        int powerNumber = Integer.parseInt(activators[1]);

        int bombIndex = 0;
        for (int i = 0; i < list.size() ; i++) {
            if (list.get(i) == bombNumber){
                bombIndex = (i);
                 int left = Math.max(0, bombIndex - powerNumber);
                 int right = Math.min(bombIndex + powerNumber, list.size() - 1);

                for (int j = right; j >= left; j--) {
                    list.remove(j);

                }
              i = 0;
            }
        }
        int sum = 0;
        for (int number : list) {
            sum += number;
        }
        System.out.println(sum);
    }
}