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

using namespace std;

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

int n,k;
vector<int>v;

int main()
{
    in>>n>>k;
    v.push_back(0);
    for(int i = 1; i <= n; i++){
        int x;
        in>>x;
        v.push_back(x);
    }
    nth_element(v.begin(),v.begin() + k,v.end());
    out<<v[k];
    return 0;
}