#include <fstream>
#include <algorithm>

using namespace std;

int main()
{
	int n , k , v[3000005];
	ifstream fin("sdo.in");
	ofstream fout("sdo.out");
	fin>>n>>k;
	for(int i=1;i<=n;++i)
		fin>>v[i];

	nth_element(v+1,v+k,v+n+1);
	fout<<v[k];
	return 0;
}