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

#define ll long long

using namespace std;

const int NLIM = 3e6 + 10;

vector< int > v;
int n, k;

ifstream fcin("sdo.in");
ofstream fcout("sdo.out");
int main()
{
    fcin >> n >> k;
    for( int i = 0; i < n; ++i )
    {
        int x; fcin >> x;
        v.push_back( x );
    }

    nth_element( v.begin(), v.begin() + k - 1, v.end() );
    fcout << v[k - 1];

    return 0;
}