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

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

vector <int> v;
int k,N;


int main(){
    f >> N >> k;
        for (int i=0 ; i< N ; i++)
        {
            int x;
            f >> x;
            v.push_back(x);
        }
 nth_element(v.begin(),v.begin()+k,v.end());
    g << v.at(k-1);
return 0;
}