#include <fstream>
#include <algorithm>
#include <vector>

using namespace std;

int n, k;
vector <int> v;

int main()
{
    ifstream fin("sdo.in");
    ofstream fout("sdo.out");
    fin >> n >> k;
    int x;
    for (int i = 1;i <= n;++i)
    {
        fin >> x;
        v.push_back(x);
    }
    nth_element(v.begin(), v.begin() + k - 1, v.end());
    fout << v[k - 1] << "\n";
    fin.close();
    fout.close();
    return 0;
}