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


using namespace std;

ifstream fin("sdo.in");
ofstream fout("sdo.out");
int v[100000005], n, k;

int main()
{

    fin>>n>>k;
    for(int i=1;i<=n;++i)
        fin>>v[i];
        nth_element(v+1, v+k, v+n+1);
        fout<<v[k];
        fin.close();
        fout.close();

    return 0;
}