#include<fstream>
#include<algorithm>
using namespace std;
ifstream fin ("sdo.in");
ofstream fout ("sdo.out");

unsigned int a[3000002];

int main ()
{
  int n, i, k;
  fin >> n >> k;
  for (i=1; i<=n; i++)
  fin >> a[i];

  nth_element (a+1, a+k, a+n+1);  
  fout << a[k] << "\n";

  return 0;
}