#include <fstream>
#include <algorithm>

using namespace std;

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

const int NMax = 3e6;

int N, K, V[NMax + 5];

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;
}