#include <fstream>
#include <vector>
#include <algorithm>

using namespace std;

ifstream cin ( "sdo.in" );
ofstream cout ( "sdo.out" );

vector <int> v;

int main() {
  int N, k, x;
  --k;

  cin >> N >> k;
  for ( int i = 1 ; i <= N ; ++i ) {
    cin >> x;
    v.push_back ( x );
  }

  nth_element ( v.begin(), v.begin() + k, v.end() - 1 );
  cout << v[0];

  return 0;
}