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();
      int p[] = new int[N];

      for(int i=0;i<N;i++){
        p[i] = sc.nextInt();
      }
      Arrays.sort(p);
      int total = 0;
      for(int j=0;j<K;j++){
      	total = total + p[j];
      }
      System.out.println(total);

    }
} 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();
      int p[] = new int[N];

      for(int i=0;i<N;i++){
        p[i] = sc.nextInt();
      }
      Arrays.sort(p);
      int total = 0;
      for(int j=0;j<K;j++){
      	total = total + p[j];
      }
      System.out.println(total);

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

	  Scanner sc = new Scanner(System.in);
	  int N = sc.nextInt();
      int K = sc.nextInt();
      int p[] = new int[N];

      for(int i=0;i<N;i++){
        p[i] = sc.nextInt();
      }
      Arrays.sort(p);
      int total = 0;
      for(int j=0;j<K;j++){
      	total = total + p[j];
      }
      System.out.println(total);

    } main {

	  Scanner sc = new Scanner(System.in);
	  int N = sc.nextInt();
      int K = sc.nextInt();
      int p[] = new int[N];

      for(int i=0;i<N;i++){
        p[i] = sc.nextInt();
      }
      Arrays.sort(p);
      int total = 0;
      for(int j=0;j<K;j++){
      	total = total + p[j];
      }
      System.out.println(total);

    } 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 int p[] = new int[N]; p new int[N] N for(int i=0;i<N;i++){
        p[i] = sc.nextInt();
      } int i=0; int i=0; i 0 i<N i N i++ i++ i {
        p[i] = sc.nextInt();
      } {
        p[i] = sc.nextInt();
      } p[i] = sc.nextInt() p[i] p i sc.nextInt() sc.nextInt sc Arrays.sort(p) Arrays.sort Arrays p int total = 0; total 0 for(int j=0;j<K;j++){
      	total = total + p[j];
      } int j=0; int j=0; j 0 j<K j K j++ j++ j {
      	total = total + p[j];
      } {
      	total = total + p[j];
      } total = total + p[j] total total + p[j] total p[j] p j System.out.println(total) System.out.println System.out System System.out total 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();
      int p[] = new int[N];

      for(int i=0;i<N;i++){
        p[i] = sc.nextInt();
      }
      Arrays.sort(p);
      int total = 0;
      for(int j=0;j<K;j++){
      	total = total + p[j];
      }
      System.out.println(total);

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

	  Scanner sc = new Scanner(System.in);
	  int N = sc.nextInt();
      int K = sc.nextInt();
      int p[] = new int[N];

      for(int i=0;i<N;i++){
        p[i] = sc.nextInt();
      }
      Arrays.sort(p);
      int total = 0;
      for(int j=0;j<K;j++){
      	total = total + p[j];
      }
      System.out.println(total);

    }
} 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();
      int p[] = new int[N];

      for(int i=0;i<N;i++){
        p[i] = sc.nextInt();
      }
      Arrays.sort(p);
      int total = 0;
      for(int j=0;j<K;j++){
      	total = total + p[j];
      }
      System.out.println(total);

    }
}