#include <fstream>
#include <algorithm>
using namespace std;
int v[3000001], i, n, k;
int main()
{
    ifstream f("sdo.in");
    ofstream g("sdo.out");
    f >> n >> k;
    for(i = 1; i <= n; ++ i)
        f >> v[i];
    nth_element(v + 1, v + k, v + n + 1);
    g << v[k];
    return 0;
}