import java.util.*;
public class Main {
    public static void main(String [] args) {
        Scanner sc = new Scanner(System.in);
        ArrayList<Long> List = new ArrayList<>();
        long N = sc.nextLong();
        long K = sc.nextLong();
        for(int i=0;i<N;i++) List.add(sc.nextLong());
        Collections.sort(List,Collections.reverseOrder());
        long sum = 0;
        for(long i=K;i<List.size();i++) sum+=List.get((int)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