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