#include<fstream>
#include<algorithm>
using namespace std;
int n,k,a[3000005];

inline void Citire()
{
	register int i;
	ifstream fin("sdo.in");
	fin>>n>>k;
	for(i=1;i<=n;i++)
		fin>>a[i];
	fin.close();
}

inline void Afisare()
{
	ofstream fout("sdo.out");
	fout<<a[k]<<"\n";
	fout.close();
}

int main()
{
	Citire();
	nth_element(a+1,a+k,a+n+1);
	Afisare();
	return 0;
}