import java.util.Arrays;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        @SuppressWarnings("resource")
        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 ans = 0;
        for (int i = 0 ; i < k ; i++) {
            ans += p[i];
        }
        System.out.println(ans);
    }

} import java.util.Arrays; Arrays java.util import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {
        @SuppressWarnings("resource")
        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 ans = 0;
        for (int i = 0 ; i < k ; i++) {
            ans += p[i];
        }
        System.out.println(ans);
    }

} Main public static void main(String[] args) {
        @SuppressWarnings("resource")
        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 ans = 0;
        for (int i = 0 ; i < k ; i++) {
            ans += p[i];
        }
        System.out.println(ans);
    } main {
        @SuppressWarnings("resource")
        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 ans = 0;
        for (int i = 0 ; i < k ; i++) {
            ans += p[i];
        }
        System.out.println(ans);
    } @SuppressWarnings("resource")
        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 ans = 0; ans 0 for (int i = 0 ; i < k ; i++) {
            ans += p[i];
        } int i = 0 ; int i = 0 ; i 0 i < k i k i++ i++ i {
            ans += p[i];
        } {
            ans += p[i];
        } ans += p[i] ans p[i] p 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) {
        @SuppressWarnings("resource")
        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 ans = 0;
        for (int i = 0 ; i < k ; i++) {
            ans += p[i];
        }
        System.out.println(ans);
    }

} public class Main {

    public static void main(String[] args) {
        @SuppressWarnings("resource")
        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 ans = 0;
        for (int i = 0 ; i < k ; i++) {
            ans += p[i];
        }
        System.out.println(ans);
    }

} Main
import java.util.Arrays;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        @SuppressWarnings("resource")
        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 ans = 0;
        for (int i = 0 ; i < k ; i++) {
            ans += p[i];
        }
        System.out.println(ans);
    }

}
