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

ifstream fi("sdo.in");
ofstream fo("sdo.out");

int main() {

    int N, K;
    fi >> N >> K;

    vector<int> v(N);
    for(register int i = 0; i < N; ++ i)
        fi >> v[i];

    fi.close();

    nth_element(v.begin(), v.begin() + K - 1, v.end());
    fo << v[K - 1] << endl;
    return 0;
}