/* 
 * File:   main.cpp
 * Author: virtualdemon
 *
 * Created on February 9, 2010, 7:25 PM
 */
#include <vector>
#include <fstream>
#include <iterator>
#include <algorithm>

/*
 *
 */
using namespace std;
int main( void )
{
    int n, k;
    vector< int > s;
    ifstream in( "sdo.in" );
    in>>n>>k;
    copy( istream_iterator<int>(in), istream_iterator<int>(), back_inserter(s) );
    sort( s.begin(), s.end() );
    ofstream out( "sdo.out" );
    out<<s[k-1];
    return 0;
}