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

int main() {
    int i, n, k, aux;

    ifstream f("sdo.in");
    f >> n >> k;
    vector<int> v(n);
    for (i = 0; i < n; i++)
        f >> v[i];
    f.close();

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

    ofstream g("sdo.out");
    g << v[k - 1];
    g.close();

    return 0;
}