#include <fstream>
#include <algorithm>

using namespace std;

int main()
{
    int numarElemente, statisticaOrdine;
    ifstream fin("sdo.in");
    fin >> numarElemente >> statisticaOrdine;
    statisticaOrdine--;
    int *multime = new int[numarElemente];
    for(int i=0; i<numarElemente; i++)
        fin >> multime[i];
    nth_element(multime, multime + statisticaOrdine, multime + numarElemente);
    ofstream fout("sdo.out");
    fout << multime[statisticaOrdine];
    delete[] multime;
    return 0;
}