import java.util.Scanner;
import java.util.List;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.Arrays;
import java.util.Collections;
import java.util.*;
class Main{
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    int N = scan.nextInt();
    int K = scan.nextInt();
    int sum = 0;
    Integer[] p = new Integer[N];
    for (int i = 0; i < N; i++) {
      p[i] = scan.nextInt();
    }
    Arrays.sort(p);
    for (int i = 0; i < K; i++) {
      sum += p[i];
    }
    System.out.println(sum);
  }
}
 import java.util.Scanner; Scanner java.util import java.util.List; List java.util import java.util.ArrayList; ArrayList java.util import java.util.Comparator; Comparator java.util import java.util.Arrays; Arrays java.util import java.util.Collections; Collections java.util import java.util.*; util.* java class Main{
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    int N = scan.nextInt();
    int K = scan.nextInt();
    int sum = 0;
    Integer[] p = new Integer[N];
    for (int i = 0; i < N; i++) {
      p[i] = scan.nextInt();
    }
    Arrays.sort(p);
    for (int i = 0; i < K; i++) {
      sum += p[i];
    }
    System.out.println(sum);
  }
} Main public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    int N = scan.nextInt();
    int K = scan.nextInt();
    int sum = 0;
    Integer[] p = new Integer[N];
    for (int i = 0; i < N; i++) {
      p[i] = scan.nextInt();
    }
    Arrays.sort(p);
    for (int i = 0; i < K; i++) {
      sum += p[i];
    }
    System.out.println(sum);
  } main {
    Scanner scan = new Scanner(System.in);
    int N = scan.nextInt();
    int K = scan.nextInt();
    int sum = 0;
    Integer[] p = new Integer[N];
    for (int i = 0; i < N; i++) {
      p[i] = scan.nextInt();
    }
    Arrays.sort(p);
    for (int i = 0; i < K; i++) {
      sum += p[i];
    }
    System.out.println(sum);
  } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int N = scan.nextInt(); N scan.nextInt() scan.nextInt scan int K = scan.nextInt(); K scan.nextInt() scan.nextInt scan int sum = 0; sum 0 Integer[] p = new Integer[N]; p new Integer[N] N for (int i = 0; i < N; i++) {
      p[i] = scan.nextInt();
    } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
      p[i] = scan.nextInt();
    } {
      p[i] = scan.nextInt();
    } p[i] = scan.nextInt() p[i] p i scan.nextInt() scan.nextInt scan Arrays.sort(p) Arrays.sort Arrays p for (int i = 0; i < K; i++) {
      sum += p[i];
    } int i = 0; int i = 0; i 0 i < K i K i++ i++ i {
      sum += p[i];
    } {
      sum += p[i];
    } sum += p[i] sum p[i] p i System.out.println(sum) System.out.println System.out System System.out sum String[] args args
import java.util.Scanner;
import java.util.List;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.Arrays;
import java.util.Collections;
import java.util.*;
class Main{
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    int N = scan.nextInt();
    int K = scan.nextInt();
    int sum = 0;
    Integer[] p = new Integer[N];
    for (int i = 0; i < N; i++) {
      p[i] = scan.nextInt();
    }
    Arrays.sort(p);
    for (int i = 0; i < K; i++) {
      sum += p[i];
    }
    System.out.println(sum);
  }
}

