#include <fstream>
#include <algorithm>

using namespace std;

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

int N, K;
int V[3000005];

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';

    fin.close();
    fout.close();
    return 0;
}