#include <bits/stdc++.h>
using namespace std;

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

int N, x, k;
vector<int> V;

void Read() {
    in >> N >> k;
    for (int i = 0; i < N; ++i) {
        in >> x;
        V.push_back(x);
    }
}

void Solve() {
    nth_element(V.begin(), V.begin()+k, V.end());
    out << V[k-1] << '\n';
}

int main() {
    Read();
    Solve();
    return 0;
}