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

int main() {
    std::ifstream fin("sdo.in");
    std::ofstream fout("sdo.out");
    std::vector <int> vec;
    int nrnr, nrk, nri;
    fin >> nrnr >> nrk;
    nrk--;
    for (int index = 0; index < nrnr; index++) {
        fin >> nri;
        vec.push_back(nri);
    }
    std::nth_element(vec.begin(), vec.begin() + nrk, vec.end());
    fout << vec[nrk];
}