#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;
vector<int>v;
int main(){
  freopen("sdo.in", "r", stdin);
  freopen("sdo.in", "r", stdout);
  int n, i, k, x;
  scanf("%d%d", &n, &k);
  for (i = 1; i <= n; i ++){
    scanf("%d", &x);
    v.push_back(x);
  }
  nth_element(v.begin(), v.begin() + k, v.end());
  printf("%d", v[k - 1]);
  return 0;
}