#include<fstream>
#include<algorithm>
using namespace std;
ifstream in("sdo.in");
ofstream out("sdo.out");
const int Nmax = 3000005;
int N,k,v[Nmax];
int main(){
	in>>N>>k;
	for(int i=1;i<=N;i++) in>>v[i];
	nth_element(v+1,v+k,v+N+1);
	out<<v[k];
	return 0;
}