#include <fstream>
#include <algorithm>
#include <vector>
#define NMAX 3000001

using namespace std;

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

int i, n, k, nr;
vector <int> v;

int main()
{
    f>>n>>k;
    for (i=1; i<=n; ++i)
    f>>nr, v.push_back(nr);
    nth_element(v.begin(),v.begin()+k,v.end());
    g<<v[k-1];
    return 0;
}