#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");

#define NMAX 3000010

int n, k, v[NMAX];

int main()
{
    int i;
    f>>n>>k;
    for (i = 1;i <= n;i++)
        f>>v[i];
    nth_element(v + 1, v + k + 1, v + n + 1);
    g<<v[k];
}