import java.util.*;

class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        List<Integer> hp = new ArrayList<>();
        long ans = 0;

        for(int i = 0;i < n;i++){
            hp.add(sc.nextInt());
        }
        Collections.sort(hp);
        for(int i = 0; i < n-k;i++){
            ans += hp.get(i);
        }
        System.out.println(ans);
    }
} import java.util.*; util.* java class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        List<Integer> hp = new ArrayList<>();
        long ans = 0;

        for(int i = 0;i < n;i++){
            hp.add(sc.nextInt());
        }
        Collections.sort(hp);
        for(int i = 0; i < n-k;i++){
            ans += hp.get(i);
        }
        System.out.println(ans);
    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        List<Integer> hp = new ArrayList<>();
        long ans = 0;

        for(int i = 0;i < n;i++){
            hp.add(sc.nextInt());
        }
        Collections.sort(hp);
        for(int i = 0; i < n-k;i++){
            ans += hp.get(i);
        }
        System.out.println(ans);
    } main {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        List<Integer> hp = new ArrayList<>();
        long ans = 0;

        for(int i = 0;i < n;i++){
            hp.add(sc.nextInt());
        }
        Collections.sort(hp);
        for(int i = 0; i < n-k;i++){
            ans += hp.get(i);
        }
        System.out.println(ans);
    } 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 List<Integer> hp = new ArrayList<>(); hp new ArrayList<>() long ans = 0; ans 0 for(int i = 0;i < n;i++){
            hp.add(sc.nextInt());
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
            hp.add(sc.nextInt());
        } {
            hp.add(sc.nextInt());
        } hp.add(sc.nextInt()) hp.add hp sc.nextInt() sc.nextInt sc Collections.sort(hp) Collections.sort Collections hp for(int i = 0; i < n-k;i++){
            ans += hp.get(i);
        } int i = 0; int i = 0; i 0 i < n-k i n-k n k i++ i++ i {
            ans += hp.get(i);
        } {
            ans += hp.get(i);
        } ans += hp.get(i) ans hp.get(i) hp.get hp i System.out.println(ans) System.out.println System.out System System.out ans String[] args args
import java.util.*;

class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        List<Integer> hp = new ArrayList<>();
        long ans = 0;

        for(int i = 0;i < n;i++){
            hp.add(sc.nextInt());
        }
        Collections.sort(hp);
        for(int i = 0; i < n-k;i++){
            ans += hp.get(i);
        }
        System.out.println(ans);
    }
}