#include <fstream>
#include <algorithm>
#define NMAX 3000001

using namespace std;

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

int i, n, k, v[NMAX];

int main()
{
    f>>n>>k;
    for (i=1; i<=n; ++i)
    f>>v[i];
    nth_element(v+1,v+k,v+n+1);
    g<<v[k];
    return 0;
}