#include <fstream>
#include <vector>
#include <algorithm>

using namespace std;

const char InFile[]="sdo.in";
const char OutFile[]="sdo.out";

ifstream fin(InFile);
ofstream fout(OutFile);

int N,K,X;
vector<int> V;

int main()
{
	fin>>N>>K;
	for(register int i=0;i<N;++i)
	{
		fin>>X;
		V.push_back(X);
	}
	fin.close();
	
	sort(V.begin(),V.end());
	
	fout<<V[K-1];
	fout.close();
	return 0;
}