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