#include <bits/stdc++.h>
using namespace std;
int ctoi(char c) {
  switch (c) {
    case '0':
      return 0;
    case '1':
      return 1;
    case '2':
      return 2;
    case '3':
      return 3;
    case '4':
      return 4;
    case '5':
      return 5;
    case '6':
      return 6;
    case '7':
      return 7;
    case '8':
      return 8;
    case '9':
      return 9;
  }
}
int main() {
  int n, k, i, j;
  cin >> n;
  int s[n + 1];
  s[0] = -10;
  for (i = 1; i <= n; i++) cin >> s[i];
  sort(s, s + n + 1);
  int c[5001] = {0};
  int rs = 0;
  for (i = 1; i <= n; i++) {
    c[s[i]]++;
  }
  for (i = 1; i <= n; i++)
    if (c[i] == 0) rs++;
  cout << rs << endl;
  return 0;
}
