#include<bits/stdc++.h>
#include<atcoder/all>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
using namespace atcoder;
typedef long long ll;
typedef vector<int> vi;
typedef vector<long long> vl;
typedef vector<vector<int>> vvi;
typedef vector<vector<long long>> vvl;
typedef long double ld;
typedef pair<int, int> P;

ostream& operator<<(ostream& os, const modint& a) {os << a.val(); return os;}
template <int m> ostream& operator<<(ostream& os, const static_modint<m>& a) {os << a.val(); return os;}
template <int m> ostream& operator<<(ostream& os, const dynamic_modint<m>& a) {os << a.val(); return os;}
template<typename T> istream& operator>>(istream& is, vector<T>& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;}
template<typename U, typename T> ostream& operator<<(ostream& os, const pair<U, T>& p){os << p.first << ' ' << p.second; return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : ""); return os;}
template<typename T> ostream& operator<<(ostream& os, const set<T>& se){for(T x : se) os << x << " "; os << "\n"; return os;}
template<typename T> ostream& operator<<(ostream& os, const unordered_set<T>& se){for(T x : se) os << x << " "; os << "\n"; return os;}
template<typename S, auto op, auto e> ostream& operator<<(ostream& os, const atcoder::segtree<S, op, e>& seg){int n = seg.max_right(0, [](S){return true;}); rep(i, n) os << seg.get(i) << (i == n - 1 ? "\n" : " "); return os;}
template<typename S, auto op, auto e, typename F, auto mapping, auto composition, auto id> ostream& operator<<(ostream& os, const atcoder::lazy_segtree<S, op, e, F, mapping, composition, id>& seg){int n = seg.max_right(0, [](S){return true;}); rep(i, n) os << seg.get(i) << (i == n - 1 ? "\n" : " "); return os;}

template<typename T> void chmin(T& a, T b){a = min(a, b);}
template<typename T> void chmax(T& a, T b){a = max(a, b);}

struct Number{
	vector<int> a;
	Number(string s = "000000"){
		a.resize(6);
		rep(i, 6) a[i] = s[i] - '0';
	}
	Number operator*(int c) const {
		Number res;
		rep(i, 6) res.a[i] = (a[i] * c) % 10;
		return res;
	}
	Number operator+(Number right) const {
		Number res;
		rep(i, 6) res.a[i] = (a[i] + right.a[i]) % 10;
		return res;
	}
};

int main(){
	vector<Number> s;
	rep(i, 6){
		string t;
		cin >> t;
		Number number(t);
		s.push_back(t);
	}
	set<vector<int>> se;
	vector<int> var(6);
	for(var[0] = 0; var[0] < 10; var[0]++){
		for(var[1] = 0; var[1] < 10; var[1]++){
			for(var[2] = 0; var[2] < 10; var[2]++){
				for(var[3] = 0; var[3] < 10; var[3]++){
					for(var[4] = 0; var[4] < 10; var[4]++){
						for(var[5] = 0; var[5] < 10; var[5]++){
							Number res;
							rep(i, 6){
								res = res + s[i] * var[i];
							}
							se.insert(res.a);
						}
					}
				}
			}
		}
	}
	cout << se.size() << "\n";
	return 0;
}