#include <fstream>
#include <cstdlib>
#include <algorithm>
#define NM 3000005

using namespace std;

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

bool comp(int a, int b)
{
    return a<b;
}

int n, k, i, V[NM];

int main()
{
    fin>>n>>k;
    for (i=0; i<n; i++)
    {
        fin>>V[i];
    }
    nth_element(V, V+k, V+n);
    fout<<V[k-1];
    return 0;
}