#include<iostream>
#include<fstream>
using namespace std;
const int q=3000010;
int n,k,i,j,pivot,M[q];

int main()
{
	ifstream in("sdo.in",ios::in);
	ofstream out("sdo.out",ios::out);
	in>>n>>k;
	for(i=1;i<=n;i++)
		in>>M[i];
	for(i=1;i<=n;i++)
	{
		for(j=i+1;j<=n;j++)
		{
		if(M[i]>M[j])
		{
			pivot=M[i];
			M[i]=M[j];
			M[j]=pivot;
		}
	    }
	}
	out<<M[k];
	return 0;
}