#include <fstream>
#include <algorithm>

#define IN "sdo.in"
#define OUT "sdo.out"

const int MAX = 30000014 ;

using namespace std;

ifstream fin ( IN ) ;
ofstream fout ( OUT ) ;

int v [ MAX ] ;

int main( )
{
    int n , k ;
    fin >> n >> k ;
    for ( register int i = 1 ; i <= n ; ++ i )
        fin >> v [ i ] ;
    nth_element ( v + 1 , v + k , v + n + 1 ) ;
    fout <<  v [ k ] ;
    return 0;
}