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

int v[3000010],n,i,k;
int main()
{
    in>>n>>k;
    for(i=1;i<=n;i++)
        in>>v[i];
    nth_element(v+1,v+k,v+n+1);
    out<<v[k];
    in.close();
    out.close();
    return 0;
}