#include <bits/stdc++.h>
using namespace std;
 
 
int main(){
 int n;
  cin>>n;
  vector<int> p(n),q(n);
  for(int i=0;i<n;i++) cin>>p[i];
  for(int i=0;i<n;i++) cin>>q[i];
  vector<int> a(n);
  for(int i=0;i<n;i++) a[i]=i+1;
  map<vector<int>,int> b;
  do{
    b[a]=b.size();
  }while(next_permutation(a.begin(),a.end()));
  cout<<abs(b[p]-b[q])<<endl;
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Measured memory_bytes: 8668