#include <fstream>
#include <algorithm>

using namespace std;

int n, k, a[3000005];

ifstream f("sdo.in");
ofstream g("sdo.out");

int main()
{
    f >> n >> k;

    for (int i = 0; i < n; ++i) {
        f >> a[i];
    }

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

    g << a[k - 1];

    return 0;
}