#include <fstream>
#include <algorithm>

using namespace std;

ifstream in("sdo.in");
ofstream out("sdo.out");

 int n, k, i, v[3000001];

int main ()
{
    in>>n>>k;
    for (i=1; i<=n; i++)
        in>>v[i];

    sort(v+1, v+n+1);
    out<<v[k];
    return 0;
}