#include<fstream>
#include <algorithm>
#include <vector>

using namespace std;

long  v[3000010],n,k,i;

int main()
{
    ifstream f("sdo.in");
    ofstream g("sdo.out");
    f>>n;
    f>>k;
    for(i=1;i<=n;++i)
    f>>v[i];
    nth_element(v+i,v+k,v+n);
    g<<v[k];
    f.close();
    g.close();
    return 0;
}