#include <fstream>
#include <algorithm>
#define nmax 3000005
int n,k,v[nmax];
using namespace std;
int main()
{
    ifstream f ("sdo.in");
    ofstream g ("sdo.out");
    f>>n>>k;
    for (int i=1;i<=n;i++)
        f>>v[i];
    nth_element(v+1,v+k,v+n+1);
    g<<v[k];
}