//Statistici de ordine - O(N)

#include <fstream>
#include <algorithm>
#define Nmax 3000009
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");

int N,K,v[Nmax];


int main()
{
    f>>N>>K;
    for(int i=1;i<=N;++i)f>>v[i];

    nth_element(v+1, v+K, v+N+1); //ATENTIE  v+K

    g<<v[K]<<'\n';

    f.close();g.close();
    return 0;
}