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

using namespace std;

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

int N, K;

vector < int > V;

void Read()
{
    fin >> N >> K;
    K -= 1;
    for(int i = 0; i < N; i++)
    {
        int x;
        fin >> x;
        V.push_back(x);
    }

    nth_element(V.begin(), V.begin() + K, V.end());

    fout << V[K] << "\n";
}

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