#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;}