#include <fstream>
#include <algorithm>

using namespace std;

int a[3000005], n, k;

void Citire()
{
    ifstream fin ("sdo.in");
    fin >> n >> k;
    for(int i = 1; i <= n; ++i)
        fin >> a[i];
    fin.close();
}

void Afisare()
{
    nth_element(a+1, a+k, a+n+1);
    ofstream fout("sdo.out");
    fout << a[k] << "\n";
    fout.close();
}

int main()
{
    Citire();
    Afisare();
    return 0;
}