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

public class Main {

    public static void main(String[] args) {
        try (Scanner sc = new Scanner(System.in)) {
            int N = Integer.parseInt(sc.next());
            int K = Integer.parseInt(sc.next());
            int[] p = new int[N];
            for (int i = 0; i < N; i++) {
                p[i] = Integer.parseInt(sc.next());
            }
            Arrays.sort(p);
            int sum = 0;
            for (int i = 0; i < K; i++) {
                sum += p[i];
            }
            System.out.println(sum);
        }
    }

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

    public static void main(String[] args) {
        try (Scanner sc = new Scanner(System.in)) {
            int N = Integer.parseInt(sc.next());
            int K = Integer.parseInt(sc.next());
            int[] p = new int[N];
            for (int i = 0; i < N; i++) {
                p[i] = Integer.parseInt(sc.next());
            }
            Arrays.sort(p);
            int sum = 0;
            for (int i = 0; i < K; i++) {
                sum += p[i];
            }
            System.out.println(sum);
        }
    }

} Main public static void main(String[] args) {
        try (Scanner sc = new Scanner(System.in)) {
            int N = Integer.parseInt(sc.next());
            int K = Integer.parseInt(sc.next());
            int[] p = new int[N];
            for (int i = 0; i < N; i++) {
                p[i] = Integer.parseInt(sc.next());
            }
            Arrays.sort(p);
            int sum = 0;
            for (int i = 0; i < K; i++) {
                sum += p[i];
            }
            System.out.println(sum);
        }
    } main {
        try (Scanner sc = new Scanner(System.in)) {
            int N = Integer.parseInt(sc.next());
            int K = Integer.parseInt(sc.next());
            int[] p = new int[N];
            for (int i = 0; i < N; i++) {
                p[i] = Integer.parseInt(sc.next());
            }
            Arrays.sort(p);
            int sum = 0;
            for (int i = 0; i < K; i++) {
                sum += p[i];
            }
            System.out.println(sum);
        }
    } try (Scanner sc = new Scanner(System.in)) {
            int N = Integer.parseInt(sc.next());
            int K = Integer.parseInt(sc.next());
            int[] p = new int[N];
            for (int i = 0; i < N; i++) {
                p[i] = Integer.parseInt(sc.next());
            }
            Arrays.sort(p);
            int sum = 0;
            for (int i = 0; i < K; i++) {
                sum += p[i];
            }
            System.out.println(sum);
        } {
            int N = Integer.parseInt(sc.next());
            int K = Integer.parseInt(sc.next());
            int[] p = new int[N];
            for (int i = 0; i < N; i++) {
                p[i] = Integer.parseInt(sc.next());
            }
            Arrays.sort(p);
            int sum = 0;
            for (int i = 0; i < K; i++) {
                sum += p[i];
            }
            System.out.println(sum);
        } Scanner sc = new Scanner(System.in) Scanner sc = new Scanner(System.in) new Scanner(System.in) int N = Integer.parseInt(sc.next()); N Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int K = Integer.parseInt(sc.next()); K Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int[] p = new int[N]; p new int[N] N for (int i = 0; i < N; i++) {
                p[i] = Integer.parseInt(sc.next());
            } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
                p[i] = Integer.parseInt(sc.next());
            } {
                p[i] = Integer.parseInt(sc.next());
            } p[i] = Integer.parseInt(sc.next()) p[i] p i Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc Arrays.sort(p) Arrays.sort Arrays p int sum = 0; sum 0 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 public class Main {

    public static void main(String[] args) {
        try (Scanner sc = new Scanner(System.in)) {
            int N = Integer.parseInt(sc.next());
            int K = Integer.parseInt(sc.next());
            int[] p = new int[N];
            for (int i = 0; i < N; i++) {
                p[i] = Integer.parseInt(sc.next());
            }
            Arrays.sort(p);
            int sum = 0;
            for (int i = 0; i < K; i++) {
                sum += p[i];
            }
            System.out.println(sum);
        }
    }

} public class Main {

    public static void main(String[] args) {
        try (Scanner sc = new Scanner(System.in)) {
            int N = Integer.parseInt(sc.next());
            int K = Integer.parseInt(sc.next());
            int[] p = new int[N];
            for (int i = 0; i < N; i++) {
                p[i] = Integer.parseInt(sc.next());
            }
            Arrays.sort(p);
            int sum = 0;
            for (int i = 0; i < K; i++) {
                sum += p[i];
            }
            System.out.println(sum);
        }
    }

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

public class Main {

    public static void main(String[] args) {
        try (Scanner sc = new Scanner(System.in)) {
            int N = Integer.parseInt(sc.next());
            int K = Integer.parseInt(sc.next());
            int[] p = new int[N];
            for (int i = 0; i < N; i++) {
                p[i] = Integer.parseInt(sc.next());
            }
            Arrays.sort(p);
            int sum = 0;
            for (int i = 0; i < K; i++) {
                sum += p[i];
            }
            System.out.println(sum);
        }
    }

}