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

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n =sc.nextInt(), k = sc.nextInt();
		int[] array = new int[n];
		for(int i=0;i<n;i++) array[i]=sc.nextInt();
		Arrays.sort(array);
		for(int i=n-1;i>=n-k;i--) {
			if(i>=0) array[i]=0;
			else break;
		}
		long sum=0;
		for(int i=0;i<n;i++) sum+=array[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