#include <fstream>
#include <algorithm>
#define nMax 3000005

using namespace std;

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

int a[nMax], n, k;

int main()
{
    fin >> n >> k;

    for(int i = 1; i <= n; i++)
        fin >> a[i];

    nth_element(a + 1, a + k, a + n + 1);
    fout << a[k];

    fin.close(); fout.close();

    return 0;
}