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

public class Main{
    public static void main(String[] args){
        Scanner sc =new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        int sum = 0;
        int[] p = new int[n];
        for(int i=0; i<n; i++){
            p[i]=sc.nextInt();
            } 
        Arrays.sort(p);
        for(int i=0; i<k; i++){
            sum=sum+p[i];
        }
            System.out.println(sum);
    }
} import java.util.Scanner; Scanner java.util import java.util.Random; Random java.util import java.util.Arrays; Arrays 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 sum = 0;
        int[] p = new int[n];
        for(int i=0; i<n; i++){
            p[i]=sc.nextInt();
            } 
        Arrays.sort(p);
        for(int i=0; i<k; i++){
            sum=sum+p[i];
        }
            System.out.println(sum);
    }
} Main public static void main(String[] args){
        Scanner sc =new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        int sum = 0;
        int[] p = new int[n];
        for(int i=0; i<n; i++){
            p[i]=sc.nextInt();
            } 
        Arrays.sort(p);
        for(int i=0; i<k; i++){
            sum=sum+p[i];
        }
            System.out.println(sum);
    } main {
        Scanner sc =new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        int sum = 0;
        int[] p = new int[n];
        for(int i=0; i<n; i++){
            p[i]=sc.nextInt();
            } 
        Arrays.sort(p);
        for(int i=0; i<k; i++){
            sum=sum+p[i];
        }
            System.out.println(sum);
    } 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 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 for(int i=0; i<k; i++){
            sum=sum+p[i];
        } int i=0; int i=0; i 0 i<k i k i++ i++ i {
            sum=sum+p[i];
        } {
            sum=sum+p[i];
        } sum=sum+p[i] sum 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){
        Scanner sc =new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        int sum = 0;
        int[] p = new int[n];
        for(int i=0; i<n; i++){
            p[i]=sc.nextInt();
            } 
        Arrays.sort(p);
        for(int i=0; i<k; i++){
            sum=sum+p[i];
        }
            System.out.println(sum);
    }
} public class Main{
    public static void main(String[] args){
        Scanner sc =new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        int sum = 0;
        int[] p = new int[n];
        for(int i=0; i<n; i++){
            p[i]=sc.nextInt();
            } 
        Arrays.sort(p);
        for(int i=0; i<k; i++){
            sum=sum+p[i];
        }
            System.out.println(sum);
    }
} Main
import java.util.Scanner;
import java.util.Random;
import java.util.Arrays;

public class Main{
    public static void main(String[] args){
        Scanner sc =new Scanner(System.in);
        int n = sc.nextInt();
        int k = sc.nextInt();
        int sum = 0;
        int[] p = new int[n];
        for(int i=0; i<n; i++){
            p[i]=sc.nextInt();
            } 
        Arrays.sort(p);
        for(int i=0; i<k; i++){
            sum=sum+p[i];
        }
            System.out.println(sum);
    }
}