#include <bits/stdc++.h>
#include <unordered_map>
using namespace std;
#define ll long long 
#define ull unsigned long long 
#define nmax 3000006
#define MOD 1999999973 
#define INF 2123456789
//#define fin cin 
//#define fout cout 

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

int n, k;
int a[nmax];

int main()
{
	int i, j;
	fin >> n >> k;
	for (i = 1; i <= n; i++)
		fin >> a[i];
	nth_element(a + 1, a + k, a + n + 1);
	fout << a[k] << "\n";
	fin.close();
	fout.close();
	return 0;
}