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

using namespace std;

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

const int NMAX = 4e6 + 5;
int v[NMAX];
int n, m;

int main (){
    
    fin >> n >> m;
    for (int i = 1; i <= n; ++i){
        fin >> v[i];
    }
    nth_element(v + 1, v + m, v + n + 1);
    fout << v[m] << "\n";
    
    return 0;
}