import java.util.*;

public class Main{
public static void main(String[] args) {
    Scanner scan = new Scanner(System.in);
    int N = scan.nextInt();
    int K = scan.nextInt();
    int []p = new int[N];
    for(int i=0;i<N;i++) {
        p[i] = scan.nextInt();
    }
    scan.close();

    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 = scan.nextInt();
    int K = scan.nextInt();
    int []p = new int[N];
    for(int i=0;i<N;i++) {
        p[i] = scan.nextInt();
    }
    scan.close();

    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 = scan.nextInt();
    int K = scan.nextInt();
    int []p = new int[N];
    for(int i=0;i<N;i++) {
        p[i] = scan.nextInt();
    }
    scan.close();

    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 = scan.nextInt();
    int K = scan.nextInt();
    int []p = new int[N];
    for(int i=0;i<N;i++) {
        p[i] = scan.nextInt();
    }
    scan.close();

    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 = scan.nextInt(); N scan.nextInt() scan.nextInt scan int K = scan.nextInt(); K scan.nextInt() scan.nextInt scan int []p = new int[N]; p new int[N] N for(int i=0;i<N;i++) {
        p[i] = scan.nextInt();
    } int i=0; int i=0; i 0 i<N i N i++ i++ i {
        p[i] = scan.nextInt();
    } {
        p[i] = scan.nextInt();
    } p[i] = scan.nextInt() p[i] p i scan.nextInt() scan.nextInt scan scan.close() scan.close 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 = scan.nextInt();
    int K = scan.nextInt();
    int []p = new int[N];
    for(int i=0;i<N;i++) {
        p[i] = scan.nextInt();
    }
    scan.close();

    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 = scan.nextInt();
    int K = scan.nextInt();
    int []p = new int[N];
    for(int i=0;i<N;i++) {
        p[i] = scan.nextInt();
    }
    scan.close();

    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 = scan.nextInt();
    int K = scan.nextInt();
    int []p = new int[N];
    for(int i=0;i<N;i++) {
        p[i] = scan.nextInt();
    }
    scan.close();

    Arrays.sort(p);

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

    System.out.println(sum);
}
}
