#include <fstream>
#include <windows.h>
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");
vector<int> v;
int main()
{
    int n, k, i;
    f>>n>>k;
    v.resize(n+1);
    for(i=1;i<=n;i++)
        f>>v[i];
    nth_element(v.begin(), v.begin()+k, v.end());
    cout<<v[k];
    f.close();
    g.close();
    return 0;
}