#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstring>
#include <vector>

using namespace std;

int n, k, x;
vector<int> v;

int main()
{
   freopen("sdo.in", "r", stdin);
   freopen("sdo.out", "w", stdout);
   scanf("%d %d\n", &n, &k);
   for (int i = 1; i <= n; ++i){
      scanf("%d ", &x);
      v.push_back(x);
   }
   nth_element(v.begin(), v.begin()+k-1, v.end());
   printf("%d\n", v[k-1]);

   return 0;
}