import java.util.Arrays;
import java.util.Scanner;

public class Main {

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

    }

} import java.util.Arrays; Arrays java.util import java.util.Scanner; Scanner java.util public class Main {

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

    }

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

    } main {
        @SuppressWarnings("resource")
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        int[] h = new int[n];
        for (int i = 0 ; i < n ; i++) {
            h[i] = sc.nextInt();
        }
        Arrays.sort(h);
        long sum = 0;
        for (int i = 0 ; i < n - k ; i++) {
            sum += (long) h[i];
        }
        System.out.println(sum);

    } @SuppressWarnings("resource")
        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[] h = new int[n]; h new int[n] n for (int i = 0 ; i < n ; i++) {
            h[i] = sc.nextInt();
        } int i = 0 ; int i = 0 ; i 0 i < n i n i++ i++ i {
            h[i] = sc.nextInt();
        } {
            h[i] = sc.nextInt();
        } h[i] = sc.nextInt() h[i] h i sc.nextInt() sc.nextInt sc Arrays.sort(h) Arrays.sort Arrays h long sum = 0; sum 0 for (int i = 0 ; i < n - k ; i++) {
            sum += (long) h[i];
        } int i = 0 ; int i = 0 ; i 0 i < n - k i n - k n k i++ i++ i {
            sum += (long) h[i];
        } {
            sum += (long) h[i];
        } sum += (long) h[i] sum (long) h[i] h 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) {
        @SuppressWarnings("resource")
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        int[] h = new int[n];
        for (int i = 0 ; i < n ; i++) {
            h[i] = sc.nextInt();
        }
        Arrays.sort(h);
        long sum = 0;
        for (int i = 0 ; i < n - k ; i++) {
            sum += (long) h[i];
        }
        System.out.println(sum);

    }

} public class Main {

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

    }

} Main
import java.util.Arrays;
import java.util.Scanner;

public class Main {

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

    }

}
