#include <iostream>
#include <fstream>
#include <algorithm>
#include <vector>
using namespace std;

ifstream fin ("sdo.in");
ofstream fout ("sdo.out");

vector <int> a;
int main()
{
    int n, k; fin >> n >> k;
    for(int i = 1; i <= n; ++i) {
        int x; fin >> x;
        a.push_back(x);
    }
    nth_element(a.begin(), a.begin()+k, a.end());
    fout << *(a.begin()+k-1);
    return 0;
}