import java.io.*;
import java.util.*;

class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner();
    out = new PrintWriter(new BufferedOutputStream(System.out));

    int N = sc.nextInt();
    int K = sc.nextInt();
    ArrayList<Long> H = new ArrayList<>();
    H.ensureCapacity(N);

    for (int i = 0; i < N; i++) {
      H.add(sc.nextLong());
    }

    Collections.sort(H, Collections.reverseOrder());

    long ans = 0;
    for (long i : H) {
      if (K > 0) {
        K--;
      } else {
        ans += i;
      }
    }

    out.println(ans);

    out.close();
  }

  public static PrintWriter out;

  public static class Scanner {
    BufferedReader br;
    StringTokenizer st;

    public Scanner() {
      br = new BufferedReader(new InputStreamReader(System.in));
    }

    String next() {
      while (st == null || !st.hasMoreElements()) {
        try {
          st = new StringTokenizer(br.readLine());
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
      return st.nextToken();
    }

    int nextInt() {
      return Integer.parseInt(next());
    }

    long nextLong() {
      return Long.parseLong(next());
    }
    
    double nextDouble() {
      return Double.parseDouble(next());
    }

    String nextLine() {
      String str = "";
      try {
        str = br.readLine();
      } catch (IOException e) {
        e.printStackTrace();
      }
      return str;
    }

  }
} import java.io.*; io.* java import java.util.*; util.* java class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner();
    out = new PrintWriter(new BufferedOutputStream(System.out));

    int N = sc.nextInt();
    int K = sc.nextInt();
    ArrayList<Long> H = new ArrayList<>();
    H.ensureCapacity(N);

    for (int i = 0; i < N; i++) {
      H.add(sc.nextLong());
    }

    Collections.sort(H, Collections.reverseOrder());

    long ans = 0;
    for (long i : H) {
      if (K > 0) {
        K--;
      } else {
        ans += i;
      }
    }

    out.println(ans);

    out.close();
  }

  public static PrintWriter out;

  public static class Scanner {
    BufferedReader br;
    StringTokenizer st;

    public Scanner() {
      br = new BufferedReader(new InputStreamReader(System.in));
    }

    String next() {
      while (st == null || !st.hasMoreElements()) {
        try {
          st = new StringTokenizer(br.readLine());
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
      return st.nextToken();
    }

    int nextInt() {
      return Integer.parseInt(next());
    }

    long nextLong() {
      return Long.parseLong(next());
    }
    
    double nextDouble() {
      return Double.parseDouble(next());
    }

    String nextLine() {
      String str = "";
      try {
        str = br.readLine();
      } catch (IOException e) {
        e.printStackTrace();
      }
      return str;
    }

  }
} Main public static PrintWriter out; out public static void main(String[] args) {
    Scanner sc = new Scanner();
    out = new PrintWriter(new BufferedOutputStream(System.out));

    int N = sc.nextInt();
    int K = sc.nextInt();
    ArrayList<Long> H = new ArrayList<>();
    H.ensureCapacity(N);

    for (int i = 0; i < N; i++) {
      H.add(sc.nextLong());
    }

    Collections.sort(H, Collections.reverseOrder());

    long ans = 0;
    for (long i : H) {
      if (K > 0) {
        K--;
      } else {
        ans += i;
      }
    }

    out.println(ans);

    out.close();
  } main {
    Scanner sc = new Scanner();
    out = new PrintWriter(new BufferedOutputStream(System.out));

    int N = sc.nextInt();
    int K = sc.nextInt();
    ArrayList<Long> H = new ArrayList<>();
    H.ensureCapacity(N);

    for (int i = 0; i < N; i++) {
      H.add(sc.nextLong());
    }

    Collections.sort(H, Collections.reverseOrder());

    long ans = 0;
    for (long i : H) {
      if (K > 0) {
        K--;
      } else {
        ans += i;
      }
    }

    out.println(ans);

    out.close();
  } Scanner sc = new Scanner(); sc new Scanner() out = new PrintWriter(new BufferedOutputStream(System.out)) out new PrintWriter(new BufferedOutputStream(System.out)) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc int K = sc.nextInt(); K sc.nextInt() sc.nextInt sc ArrayList<Long> H = new ArrayList<>(); H new ArrayList<>() H.ensureCapacity(N) H.ensureCapacity H N for (int i = 0; i < N; i++) {
      H.add(sc.nextLong());
    } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
      H.add(sc.nextLong());
    } {
      H.add(sc.nextLong());
    } H.add(sc.nextLong()) H.add H sc.nextLong() sc.nextLong sc Collections.sort(H, Collections.reverseOrder()) Collections.sort Collections H Collections.reverseOrder() Collections.reverseOrder Collections long ans = 0; ans 0 for (long i : H) {
      if (K > 0) {
        K--;
      } else {
        ans += i;
      }
    } long i H {
      if (K > 0) {
        K--;
      } else {
        ans += i;
      }
    } {
      if (K > 0) {
        K--;
      } else {
        ans += i;
      }
    } if (K > 0) {
        K--;
      } else {
        ans += i;
      } K > 0 K 0 {
        K--;
      } K-- K {
        ans += i;
      } ans += i ans i out.println(ans) out.println out ans out.close() out.close out String[] args args public static class Scanner {
    BufferedReader br;
    StringTokenizer st;

    public Scanner() {
      br = new BufferedReader(new InputStreamReader(System.in));
    }

    String next() {
      while (st == null || !st.hasMoreElements()) {
        try {
          st = new StringTokenizer(br.readLine());
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
      return st.nextToken();
    }

    int nextInt() {
      return Integer.parseInt(next());
    }

    long nextLong() {
      return Long.parseLong(next());
    }
    
    double nextDouble() {
      return Double.parseDouble(next());
    }

    String nextLine() {
      String str = "";
      try {
        str = br.readLine();
      } catch (IOException e) {
        e.printStackTrace();
      }
      return str;
    }

  } Scanner BufferedReader br; br StringTokenizer st; st public Scanner() {
      br = new BufferedReader(new InputStreamReader(System.in));
    } Scanner {
      br = new BufferedReader(new InputStreamReader(System.in));
    } br = new BufferedReader(new InputStreamReader(System.in)) br new BufferedReader(new InputStreamReader(System.in)) String next() {
      while (st == null || !st.hasMoreElements()) {
        try {
          st = new StringTokenizer(br.readLine());
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
      return st.nextToken();
    } next {
      while (st == null || !st.hasMoreElements()) {
        try {
          st = new StringTokenizer(br.readLine());
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
      return st.nextToken();
    } while (st == null || !st.hasMoreElements()) {
        try {
          st = new StringTokenizer(br.readLine());
        } catch (IOException e) {
          e.printStackTrace();
        }
      } st == null || !st.hasMoreElements() st == null st null !st.hasMoreElements() st.hasMoreElements() st.hasMoreElements st {
        try {
          st = new StringTokenizer(br.readLine());
        } catch (IOException e) {
          e.printStackTrace();
        }
      } try {
          st = new StringTokenizer(br.readLine());
        } catch (IOException e) {
          e.printStackTrace();
        } catch (IOException e) {
          e.printStackTrace();
        } IOException e {
          e.printStackTrace();
        } e.printStackTrace() e.printStackTrace e {
          st = new StringTokenizer(br.readLine());
        } st = new StringTokenizer(br.readLine()) st new StringTokenizer(br.readLine()) return st.nextToken(); st.nextToken() st.nextToken st int nextInt() {
      return Integer.parseInt(next());
    } nextInt {
      return Integer.parseInt(next());
    } return Integer.parseInt(next()); Integer.parseInt(next()) Integer.parseInt Integer next() next long nextLong() {
      return Long.parseLong(next());
    } nextLong {
      return Long.parseLong(next());
    } return Long.parseLong(next()); Long.parseLong(next()) Long.parseLong Long next() next double nextDouble() {
      return Double.parseDouble(next());
    } nextDouble {
      return Double.parseDouble(next());
    } return Double.parseDouble(next()); Double.parseDouble(next()) Double.parseDouble Double next() next String nextLine() {
      String str = "";
      try {
        str = br.readLine();
      } catch (IOException e) {
        e.printStackTrace();
      }
      return str;
    } nextLine {
      String str = "";
      try {
        str = br.readLine();
      } catch (IOException e) {
        e.printStackTrace();
      }
      return str;
    } String str = ""; str "" try {
        str = br.readLine();
      } catch (IOException e) {
        e.printStackTrace();
      } catch (IOException e) {
        e.printStackTrace();
      } IOException e {
        e.printStackTrace();
      } e.printStackTrace() e.printStackTrace e {
        str = br.readLine();
      } str = br.readLine() str br.readLine() br.readLine br return str; str
import java.io.*;
import java.util.*;

class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner();
    out = new PrintWriter(new BufferedOutputStream(System.out));

    int N = sc.nextInt();
    int K = sc.nextInt();
    ArrayList<Long> H = new ArrayList<>();
    H.ensureCapacity(N);

    for (int i = 0; i < N; i++) {
      H.add(sc.nextLong());
    }

    Collections.sort(H, Collections.reverseOrder());

    long ans = 0;
    for (long i : H) {
      if (K > 0) {
        K--;
      } else {
        ans += i;
      }
    }

    out.println(ans);

    out.close();
  }

  public static PrintWriter out;

  public static class Scanner {
    BufferedReader br;
    StringTokenizer st;

    public Scanner() {
      br = new BufferedReader(new InputStreamReader(System.in));
    }

    String next() {
      while (st == null || !st.hasMoreElements()) {
        try {
          st = new StringTokenizer(br.readLine());
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
      return st.nextToken();
    }

    int nextInt() {
      return Integer.parseInt(next());
    }

    long nextLong() {
      return Long.parseLong(next());
    }
    
    double nextDouble() {
      return Double.parseDouble(next());
    }

    String nextLine() {
      String str = "";
      try {
        str = br.readLine();
      } catch (IOException e) {
        e.printStackTrace();
      }
      return str;
    }

  }
}