#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
unsigned int v[3000005];
int main()
{
    ifstream f("sdo.in");
    ofstream g("sdo.out");
    int n,i,k;
    f>>n>>k;
    for (i=1;i<=n;i++)
    {
        f>>v[i];
    }
    nth_element(v+1,v+k,v+n+1);
    g<<v[k]<<'\n';
    f.close();
    g.close();
    return 0;
}