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 h[]=new long[n];
    for (int i=0;i<n;i++) {
      h[i]=sc.nextInt();
    }

    Arrays.sort(h);

    if (n<=k) {
      System.out.println(0);
    }else{
      long total=0;
      for (int i=0;i<n-k;i++) {
        total=total+h[i];
      }
      System.out.println(total);
    }
  }
} 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 h[]=new long[n];
    for (int i=0;i<n;i++) {
      h[i]=sc.nextInt();
    }

    Arrays.sort(h);

    if (n<=k) {
      System.out.println(0);
    }else{
      long total=0;
      for (int i=0;i<n-k;i++) {
        total=total+h[i];
      }
      System.out.println(total);
    }
  }
} Main public static void main(String[] args) {
    Scanner sc=new Scanner(System.in);
    int n=sc.nextInt();
    int k=sc.nextInt();
    long h[]=new long[n];
    for (int i=0;i<n;i++) {
      h[i]=sc.nextInt();
    }

    Arrays.sort(h);

    if (n<=k) {
      System.out.println(0);
    }else{
      long total=0;
      for (int i=0;i<n-k;i++) {
        total=total+h[i];
      }
      System.out.println(total);
    }
  } main {
    Scanner sc=new Scanner(System.in);
    int n=sc.nextInt();
    int k=sc.nextInt();
    long h[]=new long[n];
    for (int i=0;i<n;i++) {
      h[i]=sc.nextInt();
    }

    Arrays.sort(h);

    if (n<=k) {
      System.out.println(0);
    }else{
      long total=0;
      for (int i=0;i<n-k;i++) {
        total=total+h[i];
      }
      System.out.println(total);
    }
  } 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 h[]=new long[n]; h new long[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 if (n<=k) {
      System.out.println(0);
    }else{
      long total=0;
      for (int i=0;i<n-k;i++) {
        total=total+h[i];
      }
      System.out.println(total);
    } n<=k n k {
      System.out.println(0);
    } System.out.println(0) System.out.println System.out System System.out 0 {
      long total=0;
      for (int i=0;i<n-k;i++) {
        total=total+h[i];
      }
      System.out.println(total);
    } long total=0; total 0 for (int i=0;i<n-k;i++) {
        total=total+h[i];
      } int i=0; int i=0; i 0 i<n-k i n-k n k i++ i++ i {
        total=total+h[i];
      } {
        total=total+h[i];
      } total=total+h[i] total total+h[i] total h[i] h i System.out.println(total) System.out.println System.out System System.out total 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 h[]=new long[n];
    for (int i=0;i<n;i++) {
      h[i]=sc.nextInt();
    }

    Arrays.sort(h);

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

    Arrays.sort(h);

    if (n<=k) {
      System.out.println(0);
    }else{
      long total=0;
      for (int i=0;i<n-k;i++) {
        total=total+h[i];
      }
      System.out.println(total);
    }
  }
} 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 h[]=new long[n];
    for (int i=0;i<n;i++) {
      h[i]=sc.nextInt();
    }

    Arrays.sort(h);

    if (n<=k) {
      System.out.println(0);
    }else{
      long total=0;
      for (int i=0;i<n-k;i++) {
        total=total+h[i];
      }
      System.out.println(total);
    }
  }
}
