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

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

const int nmax = 3e6+5;
int v[nmax];

int main() {
    ios_base::sync_with_stdio(false);
    int n, x, i;
    fin >> n >> x;
    for(i=1; i<=n; i++)
        fin >> v[i];
    nth_element(v+1, v+x, v+n+1);
    fout << v[x] << "\n";
    fin.close();
    fout.close();
    return 0;
}