#include <fstream>
#include <algorithm>
#include <vector>

using namespace std;

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

vector <int> a;
int k;

void read()
{
    int n;
    cin >> n >> k;
    a.resize(n);
    for (int i=0; i<a.size(); i++)
    {
        cin >> a[i] ;
    }
}

void solve()
{
    sort(a.begin(),a.end());
}

void write()
{
    cout << a[k-1] << '\n';
}

main()
{
    read();
    solve();
    write();
}