import java.util.Arrays;
import java.util.Scanner;

public class Main {

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

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

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

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

public class Main {

	public static void main(final String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt(), k = sc.nextInt();
		int[] a = new int[n];
		for (int i=0;i<n;i++) {
			a[i] = sc.nextInt();
		}
		Arrays.sort(a);
		int r = 0;
		for (int i=0;i<k;i++) {
			r += a[i];
		}
		System.out.println(r);
	}
}
