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

      int n = sc.nextInt();
      
      int k = sc.nextInt();
      
      int a[] = new int[n];
      
      for (int i = 0; i < n; i++) {
         a[i] = sc.nextInt();
      }
      
      Arrays.sort(a);
      
      int ans = 0;
      
      for (int j = 0; j < k; j++) {
         int x = a[j];
         ans += x;
      }
      
      System.out.println(ans);
   } main {
      Scanner sc = new Scanner(System.in);

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

      int n = sc.nextInt();
      
      int k = sc.nextInt();
      
      int a[] = new int[n];
      
      for (int i = 0; i < n; i++) {
         a[i] = sc.nextInt();
      }
      
      Arrays.sort(a);
      
      int ans = 0;
      
      for (int j = 0; j < k; j++) {
         int x = a[j];
         ans += x;
      }
      
      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();
      
      int k = sc.nextInt();
      
      int a[] = new int[n];
      
      for (int i = 0; i < n; i++) {
         a[i] = sc.nextInt();
      }
      
      Arrays.sort(a);
      
      int ans = 0;
      
      for (int j = 0; j < k; j++) {
         int x = a[j];
         ans += x;
      }
      
      System.out.println(ans);
   }
}