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

using namespace std;

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

#define lim 3000010
int n, k, ini[lim];

int main()
{
    fin>>n>>k;
    for (int i=1; i<=n; i++)    fin>>ini[i];
    nth_element (ini+1, ini+k, ini+n+1);
    fout<<ini[k];

    fin.close();
    fout.close();
    return 0;
}