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

using namespace std;

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

int main()
{
    vector <int> a;
    int n, k;
    cin >> n >> k;
    a.resize(n);
    k--;

    for (int i = 0; i < a.size(); cin >> a[i++]);

    nth_element(a.begin(), a.begin() + k, a.end());

    cout << a[k] ;

    return 0;
}