#include<fstream>
#include<algorithm>

using namespace std;

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

const int nmax = 3000000;
int v[ nmax ];

int main() {
    int n, k;
    fin>>n>>k;
    for( int i = 0; i < n; ++ i ) {
        fin>>v[ i ];
    }
    -- k;
    nth_element( v, v + k, v + n );
    fout<<v[ k ]<<'\n';
    fin.close();
    fout.close();
    return 0;
}