#include <fstream>
#include <iostream>
#include <set>
using namespace std;
ifstream fin("sdo.in");
ofstream fout("sdo.out");

int main()
{
    int n, k, a;
    fin >> n >> k;
    multiset<int> sdo;
    for (int i = 0; i < n; ++i)
    {
        fin >> a;
        sdo.insert(a);
    }
    fout << *next(sdo.begin(), k - 1) << "\n";
    return 0;
}