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

class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        int n = scanner.nextInt();
        int k = scanner.nextInt();
        List<Integer> hps = new ArrayList<>(n);
        for (int i = 0; i < n; i++) {
            int hp = scanner.nextInt();
            hps.add(hp);
        }
        hps.sort(Comparator.reverseOrder());
        long result = 0;
        for (int i = k; i < n; i++) {
            result += hps.get(i);
        }
        System.out.println(result);
    }
}
/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