#include <fstream>
#include <algorithm>

using namespace std;

ifstream f("sdo.in");
ofstream g("sdo.out");
int n, x;
int v[3000003];

int main()
{
    f>>n>>x;
    for(int i = 1; i<=n; i++)
    {
        f>>v[i];
    }

    nth_element(v+1, v+x, v+n+1);
    g<<v[x];
    return 0;
}