#include <fstream>
#include <algorithm>

#define VMAX 3000010
using std::nth_element;

std::ifstream fin("sdo.in");
std::ofstream fout("sdo.out");

int n, k;
int v[VMAX];

int main() {
    fin >> n >> k;
    for (int i = 1; i <= n; i++)
        fin >> v[i];

    nth_element(v + 1, v + k, v + n + 1);
    fout << v[k] << '\n';

    fout.close();
    return 0;
}