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

using namespace std;

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

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