import java.util.*;
public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int enemy = sc.nextInt();
    int pp = sc.nextInt();sc.nextLine();
    String[] string = sc.nextLine().split(" ");
    long[] input = new long[enemy];
    
    for(int i = 0; i < enemy; i++){
      input[i] = Long.parseLong(string[i]);
    }
    Arrays.sort(input);
    while(pp > 0){
      enemy--;
      pp--;
    }
    long sum = 0;
    for(int i = 0; i < enemy; i++){
      sum += input[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