#include <fstream>
#include <vector>
#include <algorithm>
 
using namespace std;
ifstream in("sdo.in");
ofstream out("sdo.out");
 
vector <int> v;
int main()
{
    int a,n,k;
    in>>n>>k;
    for(int i=1;i<=n;i++)
    {
        in>>a;
        v.push_back(a);
    }
    nth_element(v.begin(),v.begin()+(k-1),v.end());
    out<<v[k-1];
    return 0;
}