#include <fstream>
#include <algorithm>

using namespace std;

int n, k, v[3000010];

int main()
{
    ifstream fin("sdo.in");
    ofstream fout("sdo.out");
    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;
}