#include <fstream>
#include <algorithm>

using namespace std;

ifstream in("sdo.in");
ofstream out("sdo.out");

const int N_MAX = 3000002;
int N, v[N_MAX], elem;

int main()
{
    in >> N >> elem;
    for (int i = 1; i <= N; ++i)
        in >> v[i];
    sort (v+1, v+N+1);
    out << v[elem] << '\n';
    in.close(); out.close();
    return 0;
}