#include <fstream>
#include <algorithm>
#include <vector>
#define In "sdo.in"
#define Out "sdo.out"
using namespace std;
vector< long long  >v;
int main()
{
    long long n,k,x;
    ifstream f(In);
    f>>n>>k;
    while(n--)
    {
        f>>x;
        v.push_back(x);
    }
    f.close();
    nth_element(v.begin(),v.begin()+k,v.end());
    ofstream g(Out);
    g<<v[k-1]<<"\n";
    g.close();
    return 0;
}