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

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

int n, k;
vector <int> v;

int main()
{
    is >> n >> k;
    v.resize(n);
    for (int i = 0; i < n; ++i)
        is >> v[i];
    nth_element(v.begin(), v.begin()+k, v.end());
    os << v[k-1];
    is.close();
    os.close();
    return 0;
}