#include <fstream>
#include <algorithm>
using namespace std;
int main()
{
    ifstream f("sdo.in");
    ofstream g("sdo.out");
    int v[500000],i,n,k;
    f>>n>>k;
    for (i=1; i<=n; i++)
    f>>v[i];
    sort(v+1,v+n+1);
    g<<v[k];
    return 0;

}