import java.util.*;

public class Main{

	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
      
        long[] hp = new long[N];
      
        for(int i = 0; i < N; i++){
          hp[i] = sc.nextInt();
        }
      
        Arrays.sort(hp);
        
        long ans = 0;
        for(int j = 0; j < N-K; j++){
          ans += hp[j];
          
        }
        System.out.println(ans);
        
      
	}

}


 import java.util.*; util.* java public class Main{

	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
      
        long[] hp = new long[N];
      
        for(int i = 0; i < N; i++){
          hp[i] = sc.nextInt();
        }
      
        Arrays.sort(hp);
        
        long ans = 0;
        for(int j = 0; j < N-K; j++){
          ans += hp[j];
          
        }
        System.out.println(ans);
        
      
	}

} Main public static void main(String[] args){

		Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
      
        long[] hp = new long[N];
      
        for(int i = 0; i < N; i++){
          hp[i] = sc.nextInt();
        }
      
        Arrays.sort(hp);
        
        long ans = 0;
        for(int j = 0; j < N-K; j++){
          ans += hp[j];
          
        }
        System.out.println(ans);
        
      
	} main {

		Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
      
        long[] hp = new long[N];
      
        for(int i = 0; i < N; i++){
          hp[i] = sc.nextInt();
        }
      
        Arrays.sort(hp);
        
        long ans = 0;
        for(int j = 0; j < N-K; j++){
          ans += hp[j];
          
        }
        System.out.println(ans);
        
      
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc int K = sc.nextInt(); K sc.nextInt() sc.nextInt sc long[] hp = new long[N]; hp new long[N] N for(int i = 0; i < N; i++){
          hp[i] = sc.nextInt();
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
          hp[i] = sc.nextInt();
        } {
          hp[i] = sc.nextInt();
        } hp[i] = sc.nextInt() hp[i] hp i sc.nextInt() sc.nextInt sc Arrays.sort(hp) Arrays.sort Arrays hp long ans = 0; ans 0 for(int j = 0; j < N-K; j++){
          ans += hp[j];
          
        } int j = 0; int j = 0; j 0 j < N-K j N-K N K j++ j++ j {
          ans += hp[j];
          
        } {
          ans += hp[j];
          
        } ans += hp[j] ans hp[j] hp j System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main{

	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
      
        long[] hp = new long[N];
      
        for(int i = 0; i < N; i++){
          hp[i] = sc.nextInt();
        }
      
        Arrays.sort(hp);
        
        long ans = 0;
        for(int j = 0; j < N-K; j++){
          ans += hp[j];
          
        }
        System.out.println(ans);
        
      
	}

} public class Main{

	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
      
        long[] hp = new long[N];
      
        for(int i = 0; i < N; i++){
          hp[i] = sc.nextInt();
        }
      
        Arrays.sort(hp);
        
        long ans = 0;
        for(int j = 0; j < N-K; j++){
          ans += hp[j];
          
        }
        System.out.println(ans);
        
      
	}

} Main
import java.util.*;

public class Main{

	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
      
        long[] hp = new long[N];
      
        for(int i = 0; i < N; i++){
          hp[i] = sc.nextInt();
        }
      
        Arrays.sort(hp);
        
        long ans = 0;
        for(int j = 0; j < N-K; j++){
          ans += hp[j];
          
        }
        System.out.println(ans);
        
      
	}

}



