#include //#include using namespace std; //using namespace atcoder; //using mint = modint1000000007; //const int mod = 1000000007; //using mint = modint998244353; //const int mod = 998244353; //const int INF = 1e9; //const long long LINF = 1e18; #define rep(i, n) for (int i = 0; i < (n); ++i) #define rep2(i,l,r)for(int i=(l);i<(r);++i) #define rrep(i, n) for (int i = (n) - 1; i >= 0; --i) #define rrep2(i,l,r)for(int i=(r) - 1;i>=(l);--i) #define all(x) (x).begin(),(x).end() #define allR(x) (x).rbegin(),(x).rend() #define P pair template inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; } template inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); vector>a; rep(i, 6) { string s; cin >> s; vectortmp(6); rep(i, 6)tmp[i] = s[i] - '0'; a.push_back(tmp); } vectorchk(1000000); vectornow(6); auto dfs = [&](auto &&self, int deep)->void { if (deep == 6) { int val = 0; rep(i, 6) val = val * 10 + now[i] % 10; chk[val] = true; return; } rep(i, 10) { rep(j, 6) now[j] += a[deep][j] * i; self(self, deep + 1); rep(j, 6) now[j] -= a[deep][j] * i; } }; dfs(dfs, 0); int ans = 0; rep(i, chk.size())if (chk[i])ans++; cout << ans << endl; return 0; }