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