import java.util.*;
 
public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    try {
      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 ans = 0;
      for (int i = 0; i < n - k; i++) ans += h[i];
      System.out.println(ans);
    } finally {
      sc.close();
    }
  }
} import java.util.*; util.* java public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    try {
      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 ans = 0;
      for (int i = 0; i < n - k; i++) ans += h[i];
      System.out.println(ans);
    } finally {
      sc.close();
    }
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    try {
      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 ans = 0;
      for (int i = 0; i < n - k; i++) ans += h[i];
      System.out.println(ans);
    } finally {
      sc.close();
    }
  } main {
    Scanner sc = new Scanner(System.in);
    try {
      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 ans = 0;
      for (int i = 0; i < n - k; i++) ans += h[i];
      System.out.println(ans);
    } finally {
      sc.close();
    }
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) try {
      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 ans = 0;
      for (int i = 0; i < n - k; i++) ans += h[i];
      System.out.println(ans);
    } finally {
      sc.close();
    } {
      sc.close();
    } sc.close() sc.close sc {
      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 ans = 0;
      for (int i = 0; i < n - k; i++) ans += h[i];
      System.out.println(ans);
    } 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] h i sc.nextLong() sc.nextLong sc Arrays.sort(h) Arrays.sort Arrays h long ans = 0; ans 0 for (int i = 0; i < n - k; i++) ans += h[i]; int i = 0; int i = 0; i 0 i < n - k i n - k n k i++ i++ i ans += h[i]; ans += h[i] ans h[i] h i System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    try {
      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 ans = 0;
      for (int i = 0; i < n - k; i++) ans += h[i];
      System.out.println(ans);
    } finally {
      sc.close();
    }
  }
} public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    try {
      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 ans = 0;
      for (int i = 0; i < n - k; i++) ans += h[i];
      System.out.println(ans);
    } finally {
      sc.close();
    }
  }
} Main
import java.util.*;
 
public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    try {
      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 ans = 0;
      for (int i = 0; i < n - k; i++) ans += h[i];
      System.out.println(ans);
    } finally {
      sc.close();
    }
  }
}