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