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

