/*
 * Click `Run` to execute the snippet below!
 */

import java.io.*;
import java.util.*;

/*
 * To execute Java, please define "static void main" on a class
 * named Solution.
 *
 * If you need more classes, simply define them inline.
 */

public class Main {
  
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt(), K = sc.nextInt();
    int arr[] = new int[N];
    for(int i = 0; i<N; i++){
      arr[i] = sc.nextInt(); 
    }
    Arrays.sort(arr);
    long sum = 0;
    for(int i = 0; i<N-K; i++){
      sum += arr[i]; 
    }
    System.out.println(sum);
  }
} import java.io.*; io.* java import java.util.*; util.* java public class Main {
  
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt(), K = sc.nextInt();
    int arr[] = new int[N];
    for(int i = 0; i<N; i++){
      arr[i] = sc.nextInt(); 
    }
    Arrays.sort(arr);
    long sum = 0;
    for(int i = 0; i<N-K; 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(), K = sc.nextInt();
    int arr[] = new int[N];
    for(int i = 0; i<N; i++){
      arr[i] = sc.nextInt(); 
    }
    Arrays.sort(arr);
    long sum = 0;
    for(int i = 0; i<N-K; i++){
      sum += arr[i]; 
    }
    System.out.println(sum);
  } main {
    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt(), K = sc.nextInt();
    int arr[] = new int[N];
    for(int i = 0; i<N; i++){
      arr[i] = sc.nextInt(); 
    }
    Arrays.sort(arr);
    long sum = 0;
    for(int i = 0; i<N-K; 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 K = sc.nextInt(); K sc.nextInt() sc.nextInt sc int arr[] = new int[N]; arr new int[N] N 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] = sc.nextInt() arr[i] arr i sc.nextInt() sc.nextInt sc Arrays.sort(arr) Arrays.sort Arrays arr long sum = 0; sum 0 for(int i = 0; i<N-K; i++){
      sum += arr[i]; 
    } int i = 0; int i = 0; i 0 i<N-K i N-K N K 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 public class Main {
  
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt(), K = sc.nextInt();
    int arr[] = new int[N];
    for(int i = 0; i<N; i++){
      arr[i] = sc.nextInt(); 
    }
    Arrays.sort(arr);
    long sum = 0;
    for(int i = 0; i<N-K; i++){
      sum += arr[i]; 
    }
    System.out.println(sum);
  }
} public class Main {
  
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt(), K = sc.nextInt();
    int arr[] = new int[N];
    for(int i = 0; i<N; i++){
      arr[i] = sc.nextInt(); 
    }
    Arrays.sort(arr);
    long sum = 0;
    for(int i = 0; i<N-K; i++){
      sum += arr[i]; 
    }
    System.out.println(sum);
  }
} Main
/*
 * Click `Run` to execute the snippet below!
 */

import java.io.*;
import java.util.*;

/*
 * To execute Java, please define "static void main" on a class
 * named Solution.
 *
 * If you need more classes, simply define them inline.
 */

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