//Include
#include <fstream>
#include <algorithm>
using namespace std;

//Constante
const int MAX_SIZE = (int)3e6+1;

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

int elements, position;
int v[MAX_SIZE];

//Main
int main()
{
	in >> elements >> position;
	
	for(int i=1 ; i<=elements ; ++i)
		in >> v[i];
	
	nth_element(v+1, v+position, v+elements+1);
	out << v[position];
	
	in.close();
	out.close();
	return 0;
}