import java.util.PriorityQueue;
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();
        PriorityQueue<Integer> queue= new PriorityQueue<Integer>();
        int count=0;

        for(int i=0; i<N; i++) {
            int num = sc.nextInt();
            queue.add(num);
        }


        for(int i=0;i<K;i++) {
            int num = queue.poll();
            count+=num;
        }
        System.out.println(count);
	}

} import java.util.PriorityQueue; PriorityQueue 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();
        PriorityQueue<Integer> queue= new PriorityQueue<Integer>();
        int count=0;

        for(int i=0; i<N; i++) {
            int num = sc.nextInt();
            queue.add(num);
        }


        for(int i=0;i<K;i++) {
            int num = queue.poll();
            count+=num;
        }
        System.out.println(count);
	}

} Main public static void main(String[] args) {
	    Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
        PriorityQueue<Integer> queue= new PriorityQueue<Integer>();
        int count=0;

        for(int i=0; i<N; i++) {
            int num = sc.nextInt();
            queue.add(num);
        }


        for(int i=0;i<K;i++) {
            int num = queue.poll();
            count+=num;
        }
        System.out.println(count);
	} main {
	    Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
        PriorityQueue<Integer> queue= new PriorityQueue<Integer>();
        int count=0;

        for(int i=0; i<N; i++) {
            int num = sc.nextInt();
            queue.add(num);
        }


        for(int i=0;i<K;i++) {
            int num = queue.poll();
            count+=num;
        }
        System.out.println(count);
	} 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 PriorityQueue<Integer> queue= new PriorityQueue<Integer>(); queue new PriorityQueue<Integer>() int count=0; count 0 for(int i=0; i<N; i++) {
            int num = sc.nextInt();
            queue.add(num);
        } int i=0; int i=0; i 0 i<N i N i++ i++ i {
            int num = sc.nextInt();
            queue.add(num);
        } {
            int num = sc.nextInt();
            queue.add(num);
        } int num = sc.nextInt(); num sc.nextInt() sc.nextInt sc queue.add(num) queue.add queue num for(int i=0;i<K;i++) {
            int num = queue.poll();
            count+=num;
        } int i=0; int i=0; i 0 i<K i K i++ i++ i {
            int num = queue.poll();
            count+=num;
        } {
            int num = queue.poll();
            count+=num;
        } int num = queue.poll(); num queue.poll() queue.poll queue count+=num count num System.out.println(count) System.out.println System.out System System.out count 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();
        PriorityQueue<Integer> queue= new PriorityQueue<Integer>();
        int count=0;

        for(int i=0; i<N; i++) {
            int num = sc.nextInt();
            queue.add(num);
        }


        for(int i=0;i<K;i++) {
            int num = queue.poll();
            count+=num;
        }
        System.out.println(count);
	}

} public class Main {

	public static void main(String[] args) {
	    Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
        PriorityQueue<Integer> queue= new PriorityQueue<Integer>();
        int count=0;

        for(int i=0; i<N; i++) {
            int num = sc.nextInt();
            queue.add(num);
        }


        for(int i=0;i<K;i++) {
            int num = queue.poll();
            count+=num;
        }
        System.out.println(count);
	}

} Main
import java.util.PriorityQueue;
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();
        PriorityQueue<Integer> queue= new PriorityQueue<Integer>();
        int count=0;

        for(int i=0; i<N; i++) {
            int num = sc.nextInt();
            queue.add(num);
        }


        for(int i=0;i<K;i++) {
            int num = queue.poll();
            count+=num;
        }
        System.out.println(count);
	}

}
