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

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int numberOfMonsters = scanner.nextInt();
        int numberOfSpecialAttacks = scanner.nextInt();

        List<Integer> monsters = new ArrayList<>();
        for (int i = 0; i < numberOfMonsters; i++) {
            monsters.add(scanner.nextInt());
        }
        Collections.sort(monsters);

        long sum = 0;
        for (int i = 0; i < (monsters.size() - numberOfSpecialAttacks); i++) {
            sum += monsters.get(i);
        }
        System.out.println(sum);
    }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz