#include<fstream>
using namespace std;
int main()
{
	long ok,n,i,k,aux;
	long long a[3000005];	
	ifstream fin("sdo.in");
	ofstream fout("sdo.out");
	fin>>n>>k;
	for(i=1;i<=n;i++)
		fin>>a[i];
	ok=1;
	while(ok==1)
	{
		ok=0;
		for(i=1;i<=n;i++)
			if(a[i]>a[i+1])
			{			
				aux=a[i];
				a[i]=a[i+1];
				a[i+1]=aux;
				ok=1;
			}
	}
	fout<<a[k];
	fin.close();
	fout.close();
}