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

public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int num = scan.nextInt();
        int sp_move = scan.nextInt();
        long[] monster = new long[num];
        for (int i = 0; i < num; i++) {
            monster[i] = scan.nextLong();

        }
        Arrays.sort(monster);
        long sum = 0;
        if(sp_move >= num)
            System.out.println(0);
        else{
            for (int i = 0; i < (num-sp_move); i++) {
                sum += monster[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