#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;

vector<int> v;
fstream fin("sdo.in",ios::in);
fstream fout("sdo.out",ios::out);

int main(){
	int n,i;
	fin>>n>>i;
	
	v.resize(n),i--;	
	for(int j=0;j<n;j++){
		fin>>v[j];
	}
	
	nth_element(v.begin(),v.begin()+i,v.end());
	
	fout<<v[i];
	
	fin.close();
	fout.close();
	return 0;
}