#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int ok[n + 1];
  for (int i = 0; i <= n; i++) {
    ok[i] = 1;
  }
  for (int i = 0; i < n; i++) {
    int a;
    cin >> a;
    ok[a] = 0;
  }
  int ans = 0;
  for (int i = 0; i <= n; i++) {
    ans += ok[i];
  }
  cout << ans << endl;
}
