#include <fstream>
#include <algorithm>
using namespace std;
int n,k,i,v[3000000];
ifstream fin("sdo.in");
ofstream fout("sdo.out");
int main()
{
	fin>>n>>k;
	for (i=0;i<n;i++)
		fin>>v[i];
	nth_element(v,v+k-1,v+n);
	fout<<v[k-1]<<"\n";
	return 0;
}