#include <fstream>
#include <iostream>
#include <algorithm>
#include <cstdio>

using namespace std;


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

int n, k, i, v[300000001];

void read()
{
   in >> n >> k;
    for(i = 1; i <= n; i ++)
       in >> v[i];

}

void solve()
{
    nth_element(v+ 1, v + k, v + n + 1);
}

 void write()
 {
      out << v[k];
 }

int main()
{
    read();
    solve();
    write();
    return 0;
}