#include<fstream>
#include<algorithm>
#define L 3000005
using namespace std;

int n,c;
int a[L];

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


void afiseaza()
{
	ofstream fout("sdo.out");
	fout<<a[c];
	fout.close();
}

int main()
{
	citeste();
	
	nth_element(a+1,a+c,a+n+1);
	
	afiseaza();
	
	return 0;
}