#include<fstream>
#include<iostream>
#include<cmath>
#include<algorithm>
#include<cmath>
#define DN 3000005
using namespace std;
ifstream fin("sdo.in");
ofstream fout("sdo.out");
int n,x[DN],k;
int main()
{
    fin>>n>>k;
    for(int i=1;i<=n;i++)
        fin>>x[i];
    random_shuffle(x+1,x+n+1);
    nth_element(x+1,x+k,x+n+1);
    fout<<x[k];
}