#include<bits/stdc++.h>
// #include<atcoder/all>
// #include<boost/multiprecision/cpp_int.hpp>

using namespace std;
// using namespace atcoder;
// using bint = boost::multiprecision::cpp_int;
using ll = long long;
using ull = unsigned long long;
using P = pair<ll,ll>;
using vi = vector<ll>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
#define rep(i,n) for(ll i = 0;i < (ll)n;i++)
#define ALL(x) (x).begin(),(x).end()
#define sz(c) ((ll)(c).size())
#define LB(A,x) (int)(lower_bound(A.begin(),A.end(),x)-A.begin())
#define UB(A,x) (int)(upper_bound(A.begin(),A.end(),x)-A.begin())
// #define MOD 1000000007
#define MOD 998244353
template<typename T>using min_priority_queue=priority_queue<T,vector<T>,greater<T>>;
template<typename T>ostream&operator<<(ostream&os,vector<T>&v){for(int i = 0;i < v.size();i++)os<<v[i]<<(i+1!=v.size()?" ":"");return os;}
template<typename T>istream&operator>>(istream&is,vector<T>&v){for(T&in:v)is>>in;return is;}
template<typename T1,typename T2>ostream&operator<<(ostream&os,pair<T1,T2>&p){os<<p.first<<" "<<p.second;return os;}
template<typename T1,typename T2>istream&operator>>(istream&is,pair<T1,T2>&p){is>>p.first>>p.second;return is;}


int main(){
  
  ios_base::sync_with_stdio(0), cin.tie(0);
  vector<string> a(6);
  cin >> a;
  set<ll> st;
  auto dfs = [&](auto &dfs,string &s,int d,bool is)->void{
    if(d == 6){
      st.insert(stoi(s));
      return ;
    }
    rep(i,10){
      string t = string(6,'0');
      rep(j,6){
        int k = s[j]-'0';
        k += i*(a[d][j]-'0');
        k %= 10;
        t[j] = char('0'+k);
      }
      dfs(dfs,t,d+1,is|(i != 0));
    }
  };
  string s = string(6,'0');
  dfs(dfs,s,0,false);
  cout << sz(st) << "\n";

  

  return 0;
}