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.nextLong();
    }
    Arrays.sort(h);
    long dmg = 0l;
    for(int i = 0;i<n-k;i++){
      dmg += h[i];
    }
    System.out.println(dmg);

  }
} 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.nextLong();
    }
    Arrays.sort(h);
    long dmg = 0l;
    for(int i = 0;i<n-k;i++){
      dmg += h[i];
    }
    System.out.println(dmg);

  }
} 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.nextLong();
    }
    Arrays.sort(h);
    long dmg = 0l;
    for(int i = 0;i<n-k;i++){
      dmg += h[i];
    }
    System.out.println(dmg);

  } 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.nextLong();
    }
    Arrays.sort(h);
    long dmg = 0l;
    for(int i = 0;i<n-k;i++){
      dmg += h[i];
    }
    System.out.println(dmg);

  } 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.nextLong();
    } int i = 0; int i = 0; i 0 i<n i n i++ i++ i {
      h[i] = sc.nextLong();
    } {
      h[i] = sc.nextLong();
    } h[i] = sc.nextLong() h[i] h i sc.nextLong() sc.nextLong sc Arrays.sort(h) Arrays.sort Arrays h long dmg = 0l; dmg 0l for(int i = 0;i<n-k;i++){
      dmg += h[i];
    } int i = 0; int i = 0; i 0 i<n-k i n-k n k i++ i++ i {
      dmg += h[i];
    } {
      dmg += h[i];
    } dmg += h[i] dmg h[i] h i System.out.println(dmg) System.out.println System.out System System.out dmg 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.nextLong();
    }
    Arrays.sort(h);
    long dmg = 0l;
    for(int i = 0;i<n-k;i++){
      dmg += h[i];
    }
    System.out.println(dmg);

  }
} 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.nextLong();
    }
    Arrays.sort(h);
    long dmg = 0l;
    for(int i = 0;i<n-k;i++){
      dmg += h[i];
    }
    System.out.println(dmg);

  }
} 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.nextLong();
    }
    Arrays.sort(h);
    long dmg = 0l;
    for(int i = 0;i<n-k;i++){
      dmg += h[i];
    }
    System.out.println(dmg);

  }
}
