#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");

int n, k, x;
vector<int> v;

int main()
{
    int i;
    f>>n>>k;
    for (i = 1;i <= n;i++)
    {
        f>>x;
        v.push_back(x);
    }
    nth_element(v.begin(), v.begin() + k, v.end());
    g<<v[k-1];
}