#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
ifstream fin ("sdo.in");
ofstream fout ("sdo.out");

vector <int> x;
int N, K;

int main()
{
    fin >>N >>K;
    x.resize(N+1);
    for (int i = 1; i <= N; ++i)
        fin >>x[i];
    nth_element(x.begin()+1, x.begin()+K, x.begin()+N+1);
    fout <<x[K] <<'\n';
    return 0;
}