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

using namespace std;

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

vector <int> v;

int main()
{
    int n,which;
    f>>n>>which;;
    v.resize(n);
    for (auto &i:v)
        f>>i;
    nth_element(v.begin(),v.begin()+which-1,v.end());
    t<<v[which-1];
    return 0;
}