#include <bits/stdc++.h>
using namespace std;
#define debug_var(x) cout << #x << '=' << x << endl;
#define debug_stl(x) for(auto k : x) cout << k << ' '; cout << endl;
#define debug_map(x) for(auto k : x) cout << k.first << ':' << k.second << endl;
#define read_vector(x, s, k) for(auto i = s; i <= k; ++i) cin >> x[i];
#define read_2dvector(x, s, l1, l2) for(auto i = s; i <= l1; ++i) for(auto j = s; j <= l2; ++j) cin >> x[i][j];
#define vec vector
#define ull unsigned long long int
#define ll long long int
#define str string
#define umap unordered_map
#define uset unordered_set
#define mset multiset
#define umset unordered_multiset
#define nmax 3000000
int n, k, v[nmax + 1];

int main() {
  freopen("sdo.in", "r", stdin);
  freopen("sdo.out", "w", stdout);
  ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
  cin >> n >> k;
  read_vector(v, 1, n);
  sort(v + 1, v + n + 1);
  cout << v[k];
  return 0;
}