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

using namespace std;

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

#define lim 3000010
int n,v[lim],k;

int main()
{
    fin>>n>>k;
    for(int i=1; i<=n; i++)
        fin>>v[i];
    nth_element(v+1,v+k+1,v+n+1);
    fout<<v[k];

    fin.close();
    fout.close();
    return 0;
}