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

long long n,k,v[3000000],i;

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];
}