import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
        int k = scan.nextInt();
        Integer[] h = new Integer[n];
        for(int i = 0; i < n; i++) h[i] = scan.nextInt();
        Arrays.sort(h, Comparator.reverseOrder());
        try{for(int i = 0; i < k; i++) h[i] = 0;}catch(Exception e){}
        long out = 0;
        for(int i = 0; i < n; i++) out += h[i];
        System.out.println(out);
        scan.close();
    }
}
/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