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

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

int n, k, x;
vector<int> v;

int main()
{
    fin>>n>>k;
    for(int i=0;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;
}