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

using namespace std;

int n , k  ;

vector <int> v ;

int main()
{
    ifstream cin ("sdo.in");
    ofstream cout ("sdo.out");
    cin>>n>>k;
    for ( int i = 1 ; i <= n ; ++i )
        {
            int x;
            cin>>x;
            v.push_back(x);
        }
    nth_element (v.begin(), v.begin()+k, v.end());
    cout<<v[k-1]<<"\n" ;
    return 0;
}