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

const int kNMax = 3000010;
int n, k, v[kNMax];

void Citire() {
    ifstream in("sdo.in");
    in >> n >> k;
    for (int i = 1; i <= n; ++i)
        in >> v[i];
    in.close();
}

void Afisare() {
    ofstream out("sdo.out");
    out << v[k] << '\n';
    out.close();
}
int main() {
    Citire();
    nth_element(v + 1, v + k, v + n + 1);
    Afisare();
    return 0;
}