#include <bits/stdc++.h>
using namespace std;
string np = "sdo";
ifstream f(np + ".in");
ofstream g(np + ".out");

// #define f cin
// #define g cout

int n, k;
vector<int> v;

int main()
{
    f >> n >> k;
    for (int i = 1, x; i <= n; i++)
        f >> x, v.push_back(x);

    nth_element(v.begin(), v.begin() + k, v.end());

    g << v[k - 1];

    return 0;
}