#include <cstdio>
#include <fstream>
#include <algorithm>
using namespace std;
#define NMAX 3000004
int A[NMAX], n, k;

int main()
{
	/*freopen("sdo.in","r",stdin);
	freopen("sdo.out","w",stdout);	
	scanf("%d %d",&n,&k);	*/
	ifstream fin("sdo.in");
	ofstream fout("sdo.out");
	fin>>n>>k;
	
	int i;
	for(i = 1; i <= n; ++i) fin>>A[i];// scanf("%d",&A[i]);
	
	nth_element(A+1, A+k, A+n+1);	
	fout<<A[k]<<"\n";//printf ("%d\n",A[k]);
	
	return 0;
}