#include <fstream>
#include <algorithm>

using namespace std;

int v[3000005];

int main () {
    ifstream fin ("sdo.in");
    int N, K;
    fin >> N >> K;
    for (int i = 0; i < N; i++)
        fin >> v[i];
    fin.close ();
    ofstream fout ("sdo.out");
    nth_element (v, v + K, v + N);
    fout << v[K - 1];
    fout.close ();
    return 0;
}