#include <bits/stdc++.h>

using namespace std;

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

int n, k;
vector<int> v;

void Citire()
{
    int i, x;
    fin >> n >> k;
    for(i = 1; i <= n; i++)
    {
        fin >> x;
        v.push_back(x);
    }
    nth_element(v.begin(), v.begin() + k, v.end());
    fout << v[k - 1] << "\n";
    fout.close();
}

int main()
{
    Citire();
    return 0;
}