#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, i, a;
  vector<pair<int, int> > v;
  cin >> n;
  for (i = 0; i < n; ++i) {
    cin >> a;
    v.push_back(make_pair(a, i + 1));
  }
  for (i = 0; i < n; ++i) {
    cin >> a;
    v.push_back(make_pair(a, i + 1));
  }
  long long m;
  cin >> m;
  m *= 2;
  sort(v.begin(), v.end());
  long long r = 1;
  int c = 0, c1 = 0;
  for (i = 1; i < n + n; ++i) {
    if (v[i].first == v[i - 1].first) {
      ++c;
      if (v[i].second == v[i - 1].second) {
        ++c1;
      } else
        c1 = 0;
    } else {
      c1 = c = 0;
    }
    r = (r * (c + 1) / (c1 + 1)) % m;
    c1 = 0;
  }
  cout << r % (m / 2);
  return 0;
}
int cpp4cf_main() {
  freopen("B.cpp", "r", stdin);
  char s[99];
  bool f;
  while (true) {
    cin >> s;
    if (cin.eof()) break;
    if (strstr(s, "/*")) {
      cin >> s;
      if (strstr(s, "Test")) {
        cin >> s;
        if (strstr(s, "on")) {
          cout << "Output: ";
          cpp4cf_main();
          cout << "\nAnswer: ";
          f = false;
          while (true) {
            cin >> s;
            if (strstr(s, "*/")) break;
            if (strstr(s, "//")) {
              if (f)
                cout << endl;
              else
                f = true;
            } else
              cout << s << " ";
          }
          cout << "\n\n";
        }
      }
    }
  }
  return 0;
}
