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

using namespace std;
ifstream fin("sdo.in");
ofstream fout("sdo.out");
int n,k;
vector<int>v;
void citire()
{
    fin>>n>>k;
    v.reserve(n);
    int x;
    for (int i=0; i<n; i++){
        fin>>x;
        v.push_back(x);
    }
}
int main()
{
    citire();
    fin.close();
    nth_element(v.begin(),v.begin()+k-1,v.end());
    fout<<v[k-1]<<'\n';
    fout.close();
}