#include <fstream>
#include <algorithm>

using namespace std;

const int NMAX = 3000000;

int v[NMAX];

int main()
{
    ifstream in("sdo.in");
    ofstream out("sdo.out");
    int n, k;

    in >> n >> k;
    for (int i = 0; i < n; i++)
    {
        in >> v[i];
    }

    nth_element(v, v + k - 1, v + n);

    out << v[k - 1] << '\n';

    return 0;
}