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

int main() {
    std::ifstream input("sdo.in");
    std::ofstream output("sdo.out");

    int n, k;
    input >> n >> k;
    k--;
    std::vector<int> v(n);

    for (int i = 0; i < n; ++i) input >> v[i];

    std::nth_element(v.begin(), v.begin() + k, v.end());
    output << *(v.begin() + k);
    return 0;
}