#include <iostream>
#include <fstream>
#include <algorithm>
#include <vector>
#include <sstream>
using namespace std;

int main()
{
    string s;
    ifstream f("sdo.in");
    ofstream g("sdo.out");
    vector <int> v;
    int n, k;
    f>>n>>k;
    f.get();
    getline(f, s);
    int nr=0;
    for (int i=0; i<s.size(); i++)
    {
        if (s[i]==' ')
        {
            v.push_back(nr);
            nr=0;
        }
        else
            nr=nr*10+s[i]-'0';

    }
    sort(v.begin(), v.end());
    g<<v[k-1];
    return 0;
}