
import java.util.Arrays;
import java.util.Scanner;
public class Main {

    static void solve(int[] arr, int numberOfBrokeAss) {
      Arrays.sort(arr);
      int result = 0;
      for(int i = 0; i<numberOfBrokeAss; i++){
        result+=arr[i];
      }
      System.out.println(result);
    }

    public static void main(String[] args) {
            Scanner in = new Scanner(System.in);
            int n = in.nextInt();
            int parameter = in.nextInt();
            int[] arr = new int[n];
            for (int i = 0; i < n ; i++) {
            	arr[i] = in.nextInt();
        	}
      		solve(arr,parameter);

    }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz