import java.util.*;
public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int K = sc.nextInt();
		long count = 0;
		Integer[] enemy = new Integer[N];
		for (int i = 0; i < N; i++) {
			enemy[i]= sc.nextInt();
		}
		Arrays.sort(enemy, Collections.reverseOrder());
		for (int i = K; i < N; i++) {
			count += enemy[i];
		}
		System.out.println(count);
	}
}
/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