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

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 count = 0;
		for(int i=0; i<N -K; i++) {
			count += H[i];
		}
		 System.out.println(count);
	}

} import java.util.Arrays; Arrays java.util import java.util.Scanner; Scanner 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 count = 0;
		for(int i=0; i<N -K; i++) {
			count += H[i];
		}
		 System.out.println(count);
	}

} 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 count = 0;
		for(int i=0; i<N -K; i++) {
			count += H[i];
		}
		 System.out.println(count);
	} 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 count = 0;
		for(int i=0; i<N -K; i++) {
			count += H[i];
		}
		 System.out.println(count);
	} 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 count = 0; count 0 for(int i=0; i<N -K; i++) {
			count += H[i];
		} int i=0; int i=0; i 0 i<N -K i N -K N K i++ i++ i {
			count += H[i];
		} {
			count += H[i];
		} count += H[i] count H[i] H i System.out.println(count) System.out.println System.out System System.out count 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 count = 0;
		for(int i=0; i<N -K; i++) {
			count += H[i];
		}
		 System.out.println(count);
	}

} 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 count = 0;
		for(int i=0; i<N -K; i++) {
			count += H[i];
		}
		 System.out.println(count);
	}

} Main
import java.util.Arrays;
import java.util.Scanner;

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 count = 0;
		for(int i=0; i<N -K; i++) {
			count += H[i];
		}
		 System.out.println(count);
	}

}
