#include <fstream>
#include <algorithm>
#define Nmax 3000099
using namespace std;

ifstream f("sdo.in");
ofstream g("sdo.out");

int N,K,v[Nmax];

inline void ReadInput()
{
    f>>N>>K;
    for(int i=1;i<=N;++i)f>>v[i];
}

int main()
{
    ReadInput();
    nth_element(v+1, v+K, v+N+1);
    g<<v[K]<<'\n';
    f.close();g.close();
    return 0;
}