import java.util.*;
public class Main {
	public static void main (String[] args) {
      Scanner sc = new Scanner(System.in);
      int N = sc.nextInt(), K = sc.nextInt();
      ArrayList<Integer> list = new ArrayList<>();
      for (int i=0; i<N; i++) {
        list.add(sc.nextInt());
      }
      Collections.sort(list);
      int ans = 0;
      for (int j=0; j<K; j++) {
        ans += list.get(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(), K = sc.nextInt();
      ArrayList<Integer> list = new ArrayList<>();
      for (int i=0; i<N; i++) {
        list.add(sc.nextInt());
      }
      Collections.sort(list);
      int ans = 0;
      for (int j=0; j<K; j++) {
        ans += list.get(j);
      }
      System.out.println(ans);
    }
} Main public static void main (String[] args) {
      Scanner sc = new Scanner(System.in);
      int N = sc.nextInt(), K = sc.nextInt();
      ArrayList<Integer> list = new ArrayList<>();
      for (int i=0; i<N; i++) {
        list.add(sc.nextInt());
      }
      Collections.sort(list);
      int ans = 0;
      for (int j=0; j<K; j++) {
        ans += list.get(j);
      }
      System.out.println(ans);
    } main {
      Scanner sc = new Scanner(System.in);
      int N = sc.nextInt(), K = sc.nextInt();
      ArrayList<Integer> list = new ArrayList<>();
      for (int i=0; i<N; i++) {
        list.add(sc.nextInt());
      }
      Collections.sort(list);
      int ans = 0;
      for (int j=0; j<K; j++) {
        ans += list.get(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 K = sc.nextInt(); K sc.nextInt() sc.nextInt sc ArrayList<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 ans = 0; ans 0 for (int j=0; j<K; j++) {
        ans += list.get(j);
      } int j=0; int j=0; j 0 j<K j K j++ j++ j {
        ans += list.get(j);
      } {
        ans += list.get(j);
      } ans += list.get(j) ans list.get(j) list.get list 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(), K = sc.nextInt();
      ArrayList<Integer> list = new ArrayList<>();
      for (int i=0; i<N; i++) {
        list.add(sc.nextInt());
      }
      Collections.sort(list);
      int ans = 0;
      for (int j=0; j<K; j++) {
        ans += list.get(j);
      }
      System.out.println(ans);
    }
} public class Main {
	public static void main (String[] args) {
      Scanner sc = new Scanner(System.in);
      int N = sc.nextInt(), K = sc.nextInt();
      ArrayList<Integer> list = new ArrayList<>();
      for (int i=0; i<N; i++) {
        list.add(sc.nextInt());
      }
      Collections.sort(list);
      int ans = 0;
      for (int j=0; j<K; j++) {
        ans += list.get(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(), K = sc.nextInt();
      ArrayList<Integer> list = new ArrayList<>();
      for (int i=0; i<N; i++) {
        list.add(sc.nextInt());
      }
      Collections.sort(list);
      int ans = 0;
      for (int j=0; j<K; j++) {
        ans += list.get(j);
      }
      System.out.println(ans);
    }
}