#include <iostream>
#include <math.h>
#include <stdlib.h>
#include <time.h>
#include <fstream>
using namespace std;


int a[3000001];

void quickSort(int arr[], int left, int right) {
      int i = left, j = right,ind;
      int tmp;
      ind=arr[(i+j)/2];

      int pivot = arr[ind];


      while (i <= j) {
            while (arr[i] < pivot)
                  i++;
            while (arr[j] > pivot)
                  j--;
            if (i <= j) {
                  tmp = arr[i];
                  arr[i] = arr[j];
                  arr[j] = tmp;
                  i++;
                  j--;
            }
      };


      if (left < j)
            quickSort(arr, left, j);
      if (i < right)
            quickSort(arr, i, right);
}

int main(){
    srand(time(NULL));
    fstream f,g;
    f.open("sdo.in",ios::in);
    g.open("sdo.out",ios::out);
    int n,k;
    f>>n;
    f>>k;
    for(int i=1;i<=n;i++)
        f>>a[i];
    quickSort(a,1,n);
    g<<a[k];

}