import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;
 
public class Main {
	public static void main (String args[]) {
		Scanner scan = new Scanner(System.in);
		int N = Integer.parseInt(scan.next());
		int K = Integer.parseInt(scan.next());
		List<Long> numList = new ArrayList<Long>();
		long sum = 0;
		for(int i = 0; i < N; i++) {
			numList.add(Long.parseLong(scan.next()));
		}
		Collections.sort(numList, Collections.reverseOrder());
		if(N <= K) {
			System.out.println(sum);
			return;
		}
		for(int i = K; i < N; i++) {
			sum += numList.get(i);
		}
		System.out.println(sum);
	}
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz