import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int n = sc.nextInt();
		int k = sc.nextInt();
		ArrayList<Integer> list = new ArrayList<>();

		for (int i = 0; i < n; i++) {
			int p = sc.nextInt();
			list.add(p);
		}

		Collections.sort(list);

		int sum = 0;
		for (int i = 0; i < k; i++) {
			sum += list.get(i);
		}

		System.out.println(sum);

		sc.close();
	}
} import java.util.ArrayList; ArrayList java.util import java.util.Collections; Collections java.util import java.util.Scanner; Scanner 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();
		ArrayList<Integer> list = new ArrayList<>();

		for (int i = 0; i < n; i++) {
			int p = sc.nextInt();
			list.add(p);
		}

		Collections.sort(list);

		int sum = 0;
		for (int i = 0; i < k; i++) {
			sum += list.get(i);
		}

		System.out.println(sum);

		sc.close();
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int n = sc.nextInt();
		int k = sc.nextInt();
		ArrayList<Integer> list = new ArrayList<>();

		for (int i = 0; i < n; i++) {
			int p = sc.nextInt();
			list.add(p);
		}

		Collections.sort(list);

		int sum = 0;
		for (int i = 0; i < k; i++) {
			sum += list.get(i);
		}

		System.out.println(sum);

		sc.close();
	} main {
		Scanner sc = new Scanner(System.in);

		int n = sc.nextInt();
		int k = sc.nextInt();
		ArrayList<Integer> list = new ArrayList<>();

		for (int i = 0; i < n; i++) {
			int p = sc.nextInt();
			list.add(p);
		}

		Collections.sort(list);

		int sum = 0;
		for (int i = 0; i < k; i++) {
			sum += list.get(i);
		}

		System.out.println(sum);

		sc.close();
	} 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 ArrayList<Integer> list = new ArrayList<>(); list new ArrayList<>() for (int i = 0; i < n; i++) {
			int p = sc.nextInt();
			list.add(p);
		} int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
			int p = sc.nextInt();
			list.add(p);
		} {
			int p = sc.nextInt();
			list.add(p);
		} int p = sc.nextInt(); p sc.nextInt() sc.nextInt sc list.add(p) list.add list p Collections.sort(list) Collections.sort Collections list int sum = 0; sum 0 for (int i = 0; i < k; i++) {
			sum += list.get(i);
		} int i = 0; int i = 0; i 0 i < k i k i++ i++ i {
			sum += list.get(i);
		} {
			sum += list.get(i);
		} sum += list.get(i) sum list.get(i) list.get list i System.out.println(sum) System.out.println System.out System System.out sum sc.close() sc.close sc 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();
		ArrayList<Integer> list = new ArrayList<>();

		for (int i = 0; i < n; i++) {
			int p = sc.nextInt();
			list.add(p);
		}

		Collections.sort(list);

		int sum = 0;
		for (int i = 0; i < k; i++) {
			sum += list.get(i);
		}

		System.out.println(sum);

		sc.close();
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int n = sc.nextInt();
		int k = sc.nextInt();
		ArrayList<Integer> list = new ArrayList<>();

		for (int i = 0; i < n; i++) {
			int p = sc.nextInt();
			list.add(p);
		}

		Collections.sort(list);

		int sum = 0;
		for (int i = 0; i < k; i++) {
			sum += list.get(i);
		}

		System.out.println(sum);

		sc.close();
	}
} Main
import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int n = sc.nextInt();
		int k = sc.nextInt();
		ArrayList<Integer> list = new ArrayList<>();

		for (int i = 0; i < n; i++) {
			int p = sc.nextInt();
			list.add(p);
		}

		Collections.sort(list);

		int sum = 0;
		for (int i = 0; i < k; i++) {
			sum += list.get(i);
		}

		System.out.println(sum);

		sc.close();
	}
}