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

class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int k = sc.nextInt();
    int[] arr = new int[n];
    long sum = 0;

    for(int i=0;i<n;i++) {
      arr[i] = sc.nextInt();
    }
    Arrays.sort(arr);
    if(n<=k) {
      System.out.println(0);
    } else {
      for(int j=0;j<n-k;j++) {
        sum = sum + arr[j];
      }
    }
    if(sum>0) System.out.println(sum);
    }
  } import java.util.Arrays; Arrays java.util import java.util.Scanner; Scanner java.util class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int k = sc.nextInt();
    int[] arr = new int[n];
    long sum = 0;

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

    for(int i=0;i<n;i++) {
      arr[i] = sc.nextInt();
    }
    Arrays.sort(arr);
    if(n<=k) {
      System.out.println(0);
    } else {
      for(int j=0;j<n-k;j++) {
        sum = sum + arr[j];
      }
    }
    if(sum>0) System.out.println(sum);
    } main {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int k = sc.nextInt();
    int[] arr = new int[n];
    long sum = 0;

    for(int i=0;i<n;i++) {
      arr[i] = sc.nextInt();
    }
    Arrays.sort(arr);
    if(n<=k) {
      System.out.println(0);
    } else {
      for(int j=0;j<n-k;j++) {
        sum = sum + arr[j];
      }
    }
    if(sum>0) System.out.println(sum);
    } 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[] arr = new int[n]; arr new int[n] n long sum = 0; sum 0 for(int i=0;i<n;i++) {
      arr[i] = sc.nextInt();
    } int i=0; int i=0; i 0 i<n i n i++ i++ i {
      arr[i] = sc.nextInt();
    } {
      arr[i] = sc.nextInt();
    } arr[i] = sc.nextInt() arr[i] arr i sc.nextInt() sc.nextInt sc Arrays.sort(arr) Arrays.sort Arrays arr if(n<=k) {
      System.out.println(0);
    } else {
      for(int j=0;j<n-k;j++) {
        sum = sum + arr[j];
      }
    } n<=k n k {
      System.out.println(0);
    } System.out.println(0) System.out.println System.out System System.out 0 {
      for(int j=0;j<n-k;j++) {
        sum = sum + arr[j];
      }
    } for(int j=0;j<n-k;j++) {
        sum = sum + arr[j];
      } int j=0; int j=0; j 0 j<n-k j n-k n k j++ j++ j {
        sum = sum + arr[j];
      } {
        sum = sum + arr[j];
      } sum = sum + arr[j] sum sum + arr[j] sum arr[j] arr j if(sum>0) System.out.println(sum); sum>0 sum 0 System.out.println(sum) System.out.println System.out System System.out sum String[] args args
import java.util.Arrays;
import java.util.Scanner;

class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int k = sc.nextInt();
    int[] arr = new int[n];
    long sum = 0;

    for(int i=0;i<n;i++) {
      arr[i] = sc.nextInt();
    }
    Arrays.sort(arr);
    if(n<=k) {
      System.out.println(0);
    } else {
      for(int j=0;j<n-k;j++) {
        sum = sum + arr[j];
      }
    }
    if(sum>0) System.out.println(sum);
    }
  }
