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

using namespace std;

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

vector<int> V;
int elem, n, k;

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