import java.util.*;

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

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
        
        int[] H = new int[N];
        for(int i = 0; i < N; i++) {
            H[i] = sc.nextInt();
        }
        
        Arrays.sort(H);
        
        long sum = 0;
        for(int i = 0; i < N - K; i++) {
            sum += H[i];
        }
        
        System.out.println(sum);
    }
}
