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



public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int K = sc.nextInt();
		Integer[] A = new Integer[N];
		for(int i=0; i<N; i++) {
			A[i] = sc.nextInt();
		}
		sc.close();
		if(N<=K) {
			System.out.println(0);
			return;
		}
		Arrays.sort(A,  Collections.reverseOrder());
		long s = 0;
		for(int i=K; i<N; i++) {
				s += A[i];
		}
		System.out.println(s);
	}

}
/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