import java.io.FileNotFoundException;
import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		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();
		}
		if(K>=N) {
			System.out.println("0");
		} else {
			Arrays.sort(H);
			long ans = 0;
			for(int i=0;i<=N-1-K;i++) {
				ans += H[i];
			}
			System.out.println(ans);
		}


	}
} import java.io.FileNotFoundException; FileNotFoundException java.io import java.util.Arrays; Arrays java.util import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		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();
		}
		if(K>=N) {
			System.out.println("0");
		} else {
			Arrays.sort(H);
			long ans = 0;
			for(int i=0;i<=N-1-K;i++) {
				ans += H[i];
			}
			System.out.println(ans);
		}


	}
} Main public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		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();
		}
		if(K>=N) {
			System.out.println("0");
		} else {
			Arrays.sort(H);
			long ans = 0;
			for(int i=0;i<=N-1-K;i++) {
				ans += H[i];
			}
			System.out.println(ans);
		}


	} main {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		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();
		}
		if(K>=N) {
			System.out.println("0");
		} else {
			Arrays.sort(H);
			long ans = 0;
			for(int i=0;i<=N-1-K;i++) {
				ans += H[i];
			}
			System.out.println(ans);
		}


	} 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 if(K>=N) {
			System.out.println("0");
		} else {
			Arrays.sort(H);
			long ans = 0;
			for(int i=0;i<=N-1-K;i++) {
				ans += H[i];
			}
			System.out.println(ans);
		} K>=N K N {
			System.out.println("0");
		} System.out.println("0") System.out.println System.out System System.out "0" {
			Arrays.sort(H);
			long ans = 0;
			for(int i=0;i<=N-1-K;i++) {
				ans += H[i];
			}
			System.out.println(ans);
		} Arrays.sort(H) Arrays.sort Arrays H long ans = 0; ans 0 for(int i=0;i<=N-1-K;i++) {
				ans += H[i];
			} int i=0; int i=0; i 0 i<=N-1-K i N-1-K N-1-K N 1 K i++ i++ i {
				ans += H[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) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		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();
		}
		if(K>=N) {
			System.out.println("0");
		} else {
			Arrays.sort(H);
			long ans = 0;
			for(int i=0;i<=N-1-K;i++) {
				ans += H[i];
			}
			System.out.println(ans);
		}


	}
} public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		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();
		}
		if(K>=N) {
			System.out.println("0");
		} else {
			Arrays.sort(H);
			long ans = 0;
			for(int i=0;i<=N-1-K;i++) {
				ans += H[i];
			}
			System.out.println(ans);
		}


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

public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		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();
		}
		if(K>=N) {
			System.out.println("0");
		} else {
			Arrays.sort(H);
			long ans = 0;
			for(int i=0;i<=N-1-K;i++) {
				ans += H[i];
			}
			System.out.println(ans);
		}


	}
}
