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

const int N = 3000005, inf = 0x3f3f3f3f;
int v[N], n, k;

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

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

    for (int i = 1 ; i <= n ; i++)
        in >> v[i];

    nth_element(v + 1, v + k, v + n + 1);

    out << v[k] << "\n";

    return 0;
}