#include <iostream>
#include <fstream>
#include <algorithm>

using namespace std;

ifstream fin("sdo.in");
ofstream fout("sdo.out");

#define NMax 3000010

int n, k;
int a[NMax], *it;

int main(){
	int i;
	fin >> n >> k;
	for(i = 0; i < n; i++) fin >> a[i];
	nth_element(a, a + k - 1, a + n);
	fout << a[k - 1];
}