import java.util.Scanner;
import java.util.ArrayList;
import java.util.Collections;
class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    ArrayList<Integer> al = new ArrayList<Integer>();
    int N = sc.nextInt();
    int K = sc.nextInt();
    for(int i = 0;i < N;i++) {
      al.add(sc.nextInt());
    }
    Collections.sort(al,Collections.reverseOrder());
    Long turn = 0L;
    for(int i = 0;i < (N - K);i++) {
      turn += al.get(K + i);
    }
    System.out.println(turn);
  }
}
/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