#include <bits/stdc++.h>
using namespace std;
bool cmp(pair<int, int> p1, pair<int, int> p2) {
  return (p1.first < p2.first) ||
         (p1.first == p2.first && p1.second > p2.second);
}
int main() {
  bool b[200000];
  int t[200000];
  int n;
  cin >> n;
  for (int i = 1; i <= n; ++i) {
    cin >> t[i];
    b[i] = true;
  }
  int answer = 1;
  for (int i = 2; i <= n; ++i) {
    if (t[i] == 0) {
      ++answer;
      continue;
    }
    if (b[t[i]])
      b[t[i]] = false;
    else
      ++answer;
  }
  cout << answer;
}
