import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
        
        List<Integer> list = new ArrayList<>();
        
        for(int i=0;i<N;i++){
            list.add(sc.nextInt());
        }
        
        Collections.sort(list);
        int sum = 0;
        
        for(int i=0;i<K;i++){
            sum += list.get(i);
        }
        
        System.out.println(sum);
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
        
        List<Integer> list = new ArrayList<>();
        
        for(int i=0;i<N;i++){
            list.add(sc.nextInt());
        }
        
        Collections.sort(list);
        int sum = 0;
        
        for(int i=0;i<K;i++){
            sum += list.get(i);
        }
        
        System.out.println(sum);
    }
} Main public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
        
        List<Integer> list = new ArrayList<>();
        
        for(int i=0;i<N;i++){
            list.add(sc.nextInt());
        }
        
        Collections.sort(list);
        int sum = 0;
        
        for(int i=0;i<K;i++){
            sum += list.get(i);
        }
        
        System.out.println(sum);
    } main {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
        
        List<Integer> list = new ArrayList<>();
        
        for(int i=0;i<N;i++){
            list.add(sc.nextInt());
        }
        
        Collections.sort(list);
        int sum = 0;
        
        for(int i=0;i<K;i++){
            sum += list.get(i);
        }
        
        System.out.println(sum);
    } 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 List<Integer> list = new ArrayList<>(); list new ArrayList<>() for(int i=0;i<N;i++){
            list.add(sc.nextInt());
        } int i=0; int i=0; i 0 i<N i N i++ i++ i {
            list.add(sc.nextInt());
        } {
            list.add(sc.nextInt());
        } list.add(sc.nextInt()) list.add list sc.nextInt() sc.nextInt sc Collections.sort(list) Collections.sort Collections list int sum = 0; sum 0 for(int i=0;i<K;i++){
            sum += list.get(i);
        } int i=0; int i=0; i 0 i<K i K i++ i++ i {
            sum += list.get(i);
        } {
            sum += list.get(i);
        } sum += list.get(i) sum list.get(i) list.get list i System.out.println(sum) System.out.println System.out System System.out sum String[] args args public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
        
        List<Integer> list = new ArrayList<>();
        
        for(int i=0;i<N;i++){
            list.add(sc.nextInt());
        }
        
        Collections.sort(list);
        int sum = 0;
        
        for(int i=0;i<K;i++){
            sum += list.get(i);
        }
        
        System.out.println(sum);
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
        
        List<Integer> list = new ArrayList<>();
        
        for(int i=0;i<N;i++){
            list.add(sc.nextInt());
        }
        
        Collections.sort(list);
        int sum = 0;
        
        for(int i=0;i<K;i++){
            sum += list.get(i);
        }
        
        System.out.println(sum);
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
        
        List<Integer> list = new ArrayList<>();
        
        for(int i=0;i<N;i++){
            list.add(sc.nextInt());
        }
        
        Collections.sort(list);
        int sum = 0;
        
        for(int i=0;i<K;i++){
            sum += list.get(i);
        }
        
        System.out.println(sum);
    }
}
