#include <fstream>
#include <algorithm>
using namespace std;
int x[3000000];
int main()
{
int n,k,i;
    ifstream f("sdo.in");
    ofstream g("sdo.out");
f>>n>>k;
for (i=1;i<=n;i++)
{
f>>x[i];
}
    sort (x,x+n);
    g<<x[k];


}