#include <fstream>
#include <algorithm>
#include <vector>
using namespace std;

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

vector <int> sir(3000000);

int main ()
{
    int lungime , ordine;
    cin >> lungime >> ordine;

    for (int indice = 0 ; indice < lungime ; indice++)
        cin >> sir[indice];

    nth_element(sir.begin() , sir.begin() + ordine - 1 , sir.begin() + lungime);
    cout << sir[ordine - 1];
    cout.close(); cin.close();
    return 0;
}