#include <cstdio>
#include <algorithm>
#include <fstream>
#include <vector>
#define nmax 500005
using namespace std;
int n,k;
vector <int> v;

int main()
{
    ifstream f("sdo.in");
    ofstream g("sdo.out");
    f >> n >> k;
    int j;
    for (int i = 1; i <= n; ++i) {
        f >> j;
        v.push_back(j);
    }
    nth_element(v.begin(), v.begin() + k - 1, v.end());
    g << v[k - 1];
    return 0;
}