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

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 res = 0;
        for (int i = 0; i < K; i ++ ) {
            res += A[i];
        }
        System.out.println(res);
    }
} import java.util.Arrays; Arrays java.util import java.util.Scanner; Scanner 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 res = 0;
        for (int i = 0; i < K; i ++ ) {
            res += A[i];
        }
        System.out.println(res);
    }
} 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 res = 0;
        for (int i = 0; i < K; i ++ ) {
            res += A[i];
        }
        System.out.println(res);
    } 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 res = 0;
        for (int i = 0; i < K; i ++ ) {
            res += A[i];
        }
        System.out.println(res);
    } 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 res = 0; res 0 for (int i = 0; i < K; i ++ ) {
            res += A[i];
        } int i = 0; int i = 0; i 0 i < K i K i ++ i ++ i {
            res += A[i];
        } {
            res += A[i];
        } res += A[i] res A[i] A i System.out.println(res) System.out.println System.out System System.out res 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 res = 0;
        for (int i = 0; i < K; i ++ ) {
            res += A[i];
        }
        System.out.println(res);
    }
} 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 res = 0;
        for (int i = 0; i < K; i ++ ) {
            res += A[i];
        }
        System.out.println(res);
    }
} Main
import java.util.Arrays;
import java.util.Scanner;

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 res = 0;
        for (int i = 0; i < K; i ++ ) {
            res += A[i];
        }
        System.out.println(res);
    }
}