#include <iostream>
#include <fstream>
#include <algorithm>
#define MAX_N 3000005
using namespace std;

const char iname[]="sdo.in";
const char oname[]="sdo.out";
int  V[MAX_N],n,k;

void citire()
{
	ifstream in(iname);
	in >> n >> k;
	for(int i=1;i<=n;++i)
		in >> V[i];
	in.close();
}

int main()
{
	citire();
	nth_element(V+1,V+k,V+n+1);
	ofstream out(oname);
	out << V[k];
	out.close();
	return 0;
}