//Include
#include <fstream>
#include <algorithm>
using namespace std;
 
//Constante
const int MAX_SIZE = (int)3e6+1;
 
//Variabile
ifstream in("sdo.in");
ofstream out("sdo.out");
 
int elements, position;
int v[MAX_SIZE];
 
//Main
int main()
{
    in >> elements >> position;
     
    for(int i=1 ; i<=elements ; ++i)
        in >> v[i];
     
    nth_element(v+1, v+position, v+elements+1);
    out << v[position];
     
    in.close();
    out.close();
    return 0;
}