import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class Main {

	public static void main(String args[]){

		Scanner scan = new Scanner(System.in);

		int n = scan.nextInt();
		int k = scan.nextInt();
		long sum = 0;
		
		ArrayList<Long> h = new ArrayList<Long>();
		
		for(int i = 0; i < n; i++){
			h.add(scan.nextLong()); 
		}
		
		Collections.sort(h,Collections.reverseOrder());
		
		for(int i = k; i < n; i++){
			sum += h.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