import java.util.;
import java.io.;

public class Main{

public static void main(String[] args)throws Exception{
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    String[] nums1 = br.readLine().split(" ");
    int n = Integer.parseInt(nums1[0]);
    int k = Integer.parseInt(nums1[1]);
    String[] nums2 = br. readLine().split(" ");
    int[] nums = new int[n];
    for(int i = 0;i < n;i++){
        nums[i] = Integer.parseInt(nums2[i]);
    }
    System.out.print(quickSort(0,n - 1,k - 1,nums));

}
public static int quickSort(int left,int right,int k,int[] nums){

    if(left >= right) return nums[k];
    int i = left - 1;
    int j = right + 1;
    int target = nums[left + (right - left) / 2];
    while(i < j){
        do{
            i++;
        }while(nums[i] < target);
        do{
            j--;
        }while(nums[j] > target);
        if(i < j){
            int num = nums[i];
            nums[i] = nums[j];
            nums[j] = num;
        }
    }
    if(k <= j){
        return quickSort(left,j,k,nums);
    }else return quickSort(j + 1,right,k,nums);
}

}