#include <bits/stdc++.h>

using namespace std;

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

int N, K, X;
vector < int > V;

static inline void Read ()
{
    f.tie(NULL);

    f >> N >> K;

    for(int i = 1; i <= N; ++i)
    {
        f >> X;

        V.push_back(X);
    }

    return;
}

int main()
{
    Read();

    nth_element(V.begin(), V.begin() + K, V.end());

    g << V[K - 1] << '\n';

    return 0;
}