import java.util.*;
import java.io.*;
import java.lang.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt();
        int k = sc.nextInt();

        ArrayList<Integer> arr = new ArrayList<Integer>();

        for (int i = 0; i<n; i++){
            arr.add(sc.nextInt());
        }

        Collections.sort(arr);
        int ans = 0;
        for (int i = 0; i<k; i++){
            ans += arr.get(i);
        }

        System.out.println(ans);
    }
} import java.util.*; util.* java import java.io.*; io.* java import java.lang.*; lang.* java public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt();
        int k = sc.nextInt();

        ArrayList<Integer> arr = new ArrayList<Integer>();

        for (int i = 0; i<n; i++){
            arr.add(sc.nextInt());
        }

        Collections.sort(arr);
        int ans = 0;
        for (int i = 0; i<k; i++){
            ans += arr.get(i);
        }

        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();

        ArrayList<Integer> arr = new ArrayList<Integer>();

        for (int i = 0; i<n; i++){
            arr.add(sc.nextInt());
        }

        Collections.sort(arr);
        int ans = 0;
        for (int i = 0; i<k; i++){
            ans += arr.get(i);
        }

        System.out.println(ans);
    } main {
        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt();
        int k = sc.nextInt();

        ArrayList<Integer> arr = new ArrayList<Integer>();

        for (int i = 0; i<n; i++){
            arr.add(sc.nextInt());
        }

        Collections.sort(arr);
        int ans = 0;
        for (int i = 0; i<k; i++){
            ans += arr.get(i);
        }

        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 ArrayList<Integer> arr = new ArrayList<Integer>(); arr new ArrayList<Integer>() for (int i = 0; i<n; i++){
            arr.add(sc.nextInt());
        } int i = 0; int i = 0; i 0 i<n i n i++ i++ i {
            arr.add(sc.nextInt());
        } {
            arr.add(sc.nextInt());
        } arr.add(sc.nextInt()) arr.add arr sc.nextInt() sc.nextInt sc Collections.sort(arr) Collections.sort Collections arr int ans = 0; ans 0 for (int i = 0; i<k; i++){
            ans += arr.get(i);
        } int i = 0; int i = 0; i 0 i<k i k i++ i++ i {
            ans += arr.get(i);
        } {
            ans += arr.get(i);
        } ans += arr.get(i) ans arr.get(i) arr.get arr i 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();

        ArrayList<Integer> arr = new ArrayList<Integer>();

        for (int i = 0; i<n; i++){
            arr.add(sc.nextInt());
        }

        Collections.sort(arr);
        int ans = 0;
        for (int i = 0; i<k; i++){
            ans += arr.get(i);
        }

        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();

        ArrayList<Integer> arr = new ArrayList<Integer>();

        for (int i = 0; i<n; i++){
            arr.add(sc.nextInt());
        }

        Collections.sort(arr);
        int ans = 0;
        for (int i = 0; i<k; i++){
            ans += arr.get(i);
        }

        System.out.println(ans);
    }
} Main
import java.util.*;
import java.io.*;
import java.lang.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt();
        int k = sc.nextInt();

        ArrayList<Integer> arr = new ArrayList<Integer>();

        for (int i = 0; i<n; i++){
            arr.add(sc.nextInt());
        }

        Collections.sort(arr);
        int ans = 0;
        for (int i = 0; i<k; i++){
            ans += arr.get(i);
        }

        System.out.println(ans);
    }
}