import java.util.Collections;
import java.io.*;
import java.util.*;
import java.util.Arrays;

class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int k = sc.nextInt();
    int arr[] = new int[n];
    long sum = 0;
    for(int i=0;i<n;i++)
      arr[i] = sc.nextInt();
    for(int i=0;i<n;i++)
      arr[i] = -arr[i];
    Arrays.sort(arr);
    for(int i=0;i<n;i++)
      arr[i] = -arr[i];
    for(int i=k;i<n;i++){
      sum += arr[i];
    }
    System.out.println(sum);
  }
} import java.util.Collections; Collections java.util import java.io.*; io.* java import java.util.*; util.* java import java.util.Arrays; Arrays java.util class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int k = sc.nextInt();
    int arr[] = new int[n];
    long sum = 0;
    for(int i=0;i<n;i++)
      arr[i] = sc.nextInt();
    for(int i=0;i<n;i++)
      arr[i] = -arr[i];
    Arrays.sort(arr);
    for(int i=0;i<n;i++)
      arr[i] = -arr[i];
    for(int i=k;i<n;i++){
      sum += arr[i];
    }
    System.out.println(sum);
  }
} Main public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int k = sc.nextInt();
    int arr[] = new int[n];
    long sum = 0;
    for(int i=0;i<n;i++)
      arr[i] = sc.nextInt();
    for(int i=0;i<n;i++)
      arr[i] = -arr[i];
    Arrays.sort(arr);
    for(int i=0;i<n;i++)
      arr[i] = -arr[i];
    for(int i=k;i<n;i++){
      sum += arr[i];
    }
    System.out.println(sum);
  } main {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int k = sc.nextInt();
    int arr[] = new int[n];
    long sum = 0;
    for(int i=0;i<n;i++)
      arr[i] = sc.nextInt();
    for(int i=0;i<n;i++)
      arr[i] = -arr[i];
    Arrays.sort(arr);
    for(int i=0;i<n;i++)
      arr[i] = -arr[i];
    for(int i=k;i<n;i++){
      sum += arr[i];
    }
    System.out.println(sum);
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int k = sc.nextInt(); k sc.nextInt() sc.nextInt sc int arr[] = new int[n]; arr new int[n] n long sum = 0; sum 0 for(int i=0;i<n;i++)
      arr[i] = sc.nextInt(); int i=0; int i=0; i 0 i<n i n i++ i++ i arr[i] = sc.nextInt(); arr[i] = sc.nextInt() arr[i] arr i sc.nextInt() sc.nextInt sc for(int i=0;i<n;i++)
      arr[i] = -arr[i]; int i=0; int i=0; i 0 i<n i n i++ i++ i arr[i] = -arr[i]; arr[i] = -arr[i] arr[i] arr i -arr[i] arr[i] arr i Arrays.sort(arr) Arrays.sort Arrays arr for(int i=0;i<n;i++)
      arr[i] = -arr[i]; int i=0; int i=0; i 0 i<n i n i++ i++ i arr[i] = -arr[i]; arr[i] = -arr[i] arr[i] arr i -arr[i] arr[i] arr i for(int i=k;i<n;i++){
      sum += arr[i];
    } int i=k; int i=k; i k i<n i n i++ i++ i {
      sum += arr[i];
    } {
      sum += arr[i];
    } sum += arr[i] sum arr[i] arr i System.out.println(sum) System.out.println System.out System System.out sum String[] args args
import java.util.Collections;
import java.io.*;
import java.util.*;
import java.util.Arrays;

class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int k = sc.nextInt();
    int arr[] = new int[n];
    long sum = 0;
    for(int i=0;i<n;i++)
      arr[i] = sc.nextInt();
    for(int i=0;i<n;i++)
      arr[i] = -arr[i];
    Arrays.sort(arr);
    for(int i=0;i<n;i++)
      arr[i] = -arr[i];
    for(int i=k;i<n;i++){
      sum += arr[i];
    }
    System.out.println(sum);
  }
}
