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

std::ifstream be ("sdo.in");
std::ofstream ki ("sdo.out");

std::vector<int> x;
int n, k;

int main()
{
    be >> n >> k;
    x.resize (n);
    for (int i=0; i<n; i++) be >> x[i];

    std::nth_element (x.begin(), x.begin()+k-1, x.end());

    ki << x[k-1];
}