#include <iostream>
#include <algorithm>
#include <fstream>
using namespace std;
#define MA 3000050
ifstream in ("sdo.in");
ofstream out("sdo.out");

int v[MA];
int main()
{
    int n,k,i;

    in>>n;
    in>>k;
    for(i=1; i<=n; i++)
        in>>v[i];
    nth_element(v+1,v+k,v+n+1);
    out<<v[k]<<'\n';
    return 0;
}