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

public class Main {
    public static void main(String[] args) throws Exception {
        List<Integer> list = new ArrayList<Integer>();
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        int sum = 0 ;
        for(int i=0;i<n;i++){
            int p = sc.nextInt();
            list.add(p);
        }
        Collections.sort(list);
        for(int i=0;i<k;i++){
            sum+=list.get(i);
        }
        System.out.println(sum);
    }
} import java.util.*; util.* java import java.io.*; io.* java public class Main {
    public static void main(String[] args) throws Exception {
        List<Integer> list = new ArrayList<Integer>();
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        int sum = 0 ;
        for(int i=0;i<n;i++){
            int p = sc.nextInt();
            list.add(p);
        }
        Collections.sort(list);
        for(int i=0;i<k;i++){
            sum+=list.get(i);
        }
        System.out.println(sum);
    }
} Main public static void main(String[] args) throws Exception {
        List<Integer> list = new ArrayList<Integer>();
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        int sum = 0 ;
        for(int i=0;i<n;i++){
            int p = sc.nextInt();
            list.add(p);
        }
        Collections.sort(list);
        for(int i=0;i<k;i++){
            sum+=list.get(i);
        }
        System.out.println(sum);
    } main {
        List<Integer> list = new ArrayList<Integer>();
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        int sum = 0 ;
        for(int i=0;i<n;i++){
            int p = sc.nextInt();
            list.add(p);
        }
        Collections.sort(list);
        for(int i=0;i<k;i++){
            sum+=list.get(i);
        }
        System.out.println(sum);
    } List<Integer> list = new ArrayList<Integer>(); list new ArrayList<Integer>() 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 sum = 0 ; sum 0 for(int i=0;i<n;i++){
            int p = sc.nextInt();
            list.add(p);
        } int i=0; int i=0; i 0 i<n i n i++ i++ i {
            int p = sc.nextInt();
            list.add(p);
        } {
            int p = sc.nextInt();
            list.add(p);
        } int p = sc.nextInt(); p sc.nextInt() sc.nextInt sc list.add(p) list.add list p Collections.sort(list) Collections.sort Collections list for(int i=0;i<k;i++){
            sum+=list.get(i);
        } int i=0; int i=0; i 0 i<k i k i++ i++ i {
            sum+=list.get(i);
        } {
            sum+=list.get(i);
        } sum+=list.get(i) sum list.get(i) list.get list 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) throws Exception {
        List<Integer> list = new ArrayList<Integer>();
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        int sum = 0 ;
        for(int i=0;i<n;i++){
            int p = sc.nextInt();
            list.add(p);
        }
        Collections.sort(list);
        for(int i=0;i<k;i++){
            sum+=list.get(i);
        }
        System.out.println(sum);
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        List<Integer> list = new ArrayList<Integer>();
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        int sum = 0 ;
        for(int i=0;i<n;i++){
            int p = sc.nextInt();
            list.add(p);
        }
        Collections.sort(list);
        for(int i=0;i<k;i++){
            sum+=list.get(i);
        }
        System.out.println(sum);
    }
} Main
import java.util.*;
import java.io.*;

public class Main {
    public static void main(String[] args) throws Exception {
        List<Integer> list = new ArrayList<Integer>();
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        int sum = 0 ;
        for(int i=0;i<n;i++){
            int p = sc.nextInt();
            list.add(p);
        }
        Collections.sort(list);
        for(int i=0;i<k;i++){
            sum+=list.get(i);
        }
        System.out.println(sum);
    }
}