#include <iostream>
#include <fstream>
#include <algorithm>

using namespace std;

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

int a[3000005],n,k,i;


int main()
{
	in>>n>>k;
	for(i=1;i<=n;++i)
        in>>a[i];
	nth_element(a+1, a+k, a+n+1);
	out<<a[k];
}