import java.util.*;

class Main {
  public static void main(String[] args) {
    int n, k;
    Scanner sc = new Scanner(System.in);
    n = sc.nextInt();
    k = sc.nextInt();
    int[] arr = new int[n];
    
    for(int i = 0; i < n; i++)
      arr[i] = sc.nextInt();
    
    Arrays.sort(arr);
    int res = 0;
    for(int i = 0; i < k; i++)
      res += arr[i];
    
    System.out.println(res);
  }
} import java.util.*; util.* java class Main {
  public static void main(String[] args) {
    int n, k;
    Scanner sc = new Scanner(System.in);
    n = sc.nextInt();
    k = sc.nextInt();
    int[] arr = new int[n];
    
    for(int i = 0; i < n; i++)
      arr[i] = sc.nextInt();
    
    Arrays.sort(arr);
    int res = 0;
    for(int i = 0; i < k; i++)
      res += arr[i];
    
    System.out.println(res);
  }
} Main public static void main(String[] args) {
    int n, k;
    Scanner sc = new Scanner(System.in);
    n = sc.nextInt();
    k = sc.nextInt();
    int[] arr = new int[n];
    
    for(int i = 0; i < n; i++)
      arr[i] = sc.nextInt();
    
    Arrays.sort(arr);
    int res = 0;
    for(int i = 0; i < k; i++)
      res += arr[i];
    
    System.out.println(res);
  } main {
    int n, k;
    Scanner sc = new Scanner(System.in);
    n = sc.nextInt();
    k = sc.nextInt();
    int[] arr = new int[n];
    
    for(int i = 0; i < n; i++)
      arr[i] = sc.nextInt();
    
    Arrays.sort(arr);
    int res = 0;
    for(int i = 0; i < k; i++)
      res += arr[i];
    
    System.out.println(res);
  } int n n k; k Scanner sc = new Scanner(System.in); sc new Scanner(System.in) n = sc.nextInt() n sc.nextInt() sc.nextInt sc k = sc.nextInt() k sc.nextInt() sc.nextInt sc int[] arr = new int[n]; arr new int[n] n for(int i = 0; i < n; i++)
      arr[i] = sc.nextInt(); int i = 0; int i = 0; i 0 i < n i n i++ i++ i arr[i] = sc.nextInt(); arr[i] = sc.nextInt() arr[i] arr i sc.nextInt() sc.nextInt sc Arrays.sort(arr) Arrays.sort Arrays arr int res = 0; res 0 for(int i = 0; i < k; i++)
      res += arr[i]; int i = 0; int i = 0; i 0 i < k i k i++ i++ i res += arr[i]; res += arr[i] res arr[i] arr i System.out.println(res) System.out.println System.out System System.out res String[] args args
import java.util.*;

class Main {
  public static void main(String[] args) {
    int n, k;
    Scanner sc = new Scanner(System.in);
    n = sc.nextInt();
    k = sc.nextInt();
    int[] arr = new int[n];
    
    for(int i = 0; i < n; i++)
      arr[i] = sc.nextInt();
    
    Arrays.sort(arr);
    int res = 0;
    for(int i = 0; i < k; i++)
      res += arr[i];
    
    System.out.println(res);
  }
}
