#include <fstream>
#include <algorithm>
using namespace std;

ifstream fin ("sdo.in");
ofstream fout ("sdo.out");
int a[3000005], n, k;
void Solve ()
{
    int i;
    fin >> n >> k;
    for (i = 1; i <= n; i++)
        fin >> a[i];
    nth_element(a + 1, a + k, a + n + 1);
    fout << a[k] << "\n";
    fout.close();
}

int main()
{
    Solve();
    return 0;
}