#include <fstream>
#include <algorithm>
#define NMAX 3000010

using namespace std;

ifstream fin("sdo.in");
ofstream fout("sdo.out");
int A[NMAX],N,K;

void citire()
{
	fin>>N>>K;
	
	int i;
	
	for(i=1;i<=N;i++)
		fin>>A[i];
	
	fin.close();
	
}

void afisare()
{
	fout<<A[K];
	
	fout.close();
	
}

int main()
{
	citire();
	
	nth_element(A+1,A+K,A+1+N);
	
	afisare();
	
}