#include <bits/stdc++.h>
using namespace std;
int n, t[200005], ans = 0;
bool chk[200005];
int main() {
  scanf("%d", &n);
  for (int i = 1; i <= n; i++) scanf("%d", t + i);
  chk[0] = true;
  for (int i = n; i >= 1; i--)
    if (!chk[i]) {
      int x = i;
      ans++;
      while (!chk[x]) chk[x] = true, x = t[x];
    }
  printf("%d\n", ans);
  return 0;
}
