import java.util.*;

public class Main {
    public static void main(String[] args){

        Scanner scan = new Scanner( System.in );

        int N = Integer.parseInt( scan.next() );
        int K = Integer.parseInt( scan.next() );

        int[] p = new int[N];

        for (int i=0; i< p.length; i++){
            p[i] = Integer.parseInt( scan.next() );
        }
        Arrays.sort(p);

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

    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args){

        Scanner scan = new Scanner( System.in );

        int N = Integer.parseInt( scan.next() );
        int K = Integer.parseInt( scan.next() );

        int[] p = new int[N];

        for (int i=0; i< p.length; i++){
            p[i] = Integer.parseInt( scan.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){

        Scanner scan = new Scanner( System.in );

        int N = Integer.parseInt( scan.next() );
        int K = Integer.parseInt( scan.next() );

        int[] p = new int[N];

        for (int i=0; i< p.length; i++){
            p[i] = Integer.parseInt( scan.next() );
        }
        Arrays.sort(p);

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

    } main {

        Scanner scan = new Scanner( System.in );

        int N = Integer.parseInt( scan.next() );
        int K = Integer.parseInt( scan.next() );

        int[] p = new int[N];

        for (int i=0; i< p.length; i++){
            p[i] = Integer.parseInt( scan.next() );
        }
        Arrays.sort(p);

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

    } Scanner scan = new Scanner( System.in ); scan new Scanner( System.in ) int N = Integer.parseInt( scan.next() ); N Integer.parseInt( scan.next() ) Integer.parseInt Integer scan.next() scan.next scan int K = Integer.parseInt( scan.next() ); K Integer.parseInt( scan.next() ) Integer.parseInt Integer scan.next() scan.next scan int[] p = new int[N]; p new int[N] N for (int i=0; i< p.length; i++){
            p[i] = Integer.parseInt( scan.next() );
        } int i=0; int i=0; i 0 i< p.length i p.length p p.length i++ i++ i {
            p[i] = Integer.parseInt( scan.next() );
        } {
            p[i] = Integer.parseInt( scan.next() );
        } p[i] = Integer.parseInt( scan.next() ) p[i] p i Integer.parseInt( scan.next() ) Integer.parseInt Integer scan.next() scan.next scan 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){

        Scanner scan = new Scanner( System.in );

        int N = Integer.parseInt( scan.next() );
        int K = Integer.parseInt( scan.next() );

        int[] p = new int[N];

        for (int i=0; i< p.length; i++){
            p[i] = Integer.parseInt( scan.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){

        Scanner scan = new Scanner( System.in );

        int N = Integer.parseInt( scan.next() );
        int K = Integer.parseInt( scan.next() );

        int[] p = new int[N];

        for (int i=0; i< p.length; i++){
            p[i] = Integer.parseInt( scan.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.*;

public class Main {
    public static void main(String[] args){

        Scanner scan = new Scanner( System.in );

        int N = Integer.parseInt( scan.next() );
        int K = Integer.parseInt( scan.next() );

        int[] p = new int[N];

        for (int i=0; i< p.length; i++){
            p[i] = Integer.parseInt( scan.next() );
        }
        Arrays.sort(p);

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

    }
}