#include using namespace std; #define rep(i, n) for (int i = 0; i < (n); i++) #define per(i, n) for (int i = (n) - 1; i >= 0; i--) #define rep2(i, l, r) for (int i = (l); i < (r); i++) #define per2(i, l, r) for (int i = (r) - 1; i >= (l); i--) #define each(e, v) for (auto &e : v) #define MM << " " << #define pb push_back #define eb emplace_back #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) #define sz(x) (int)x.size() using ll = long long; using pii = pair; using pil = pair; using pli = pair; using pll = pair; template using minheap = priority_queue, greater>; template using maxheap = priority_queue; template bool chmax(T &x, const T &y) { return (x < y) ? (x = y, true) : false; } template bool chmin(T &x, const T &y) { return (x > y) ? (x = y, true) : false; } template int flg(T x, int i) { return (x >> i) & 1; } int pct(int x) { return __builtin_popcount(x); } int pct(ll x) { return __builtin_popcountll(x); } int topbit(int x) { return (x == 0 ? -1 : 31 - __builtin_clz(x)); } int topbit(ll x) { return (x == 0 ? -1 : 63 - __builtin_clzll(x)); } int botbit(int x) { return (x == 0 ? -1 : __builtin_ctz(x)); } int botbit(ll x) { return (x == 0 ? -1 : __builtin_ctzll(x)); } template void print(const vector &v, T x = 0) { int n = v.size(); for (int i = 0; i < n; i++) cout << v[i] + x << (i == n - 1 ? '\n' : ' '); if (v.empty()) cout << '\n'; } template void printn(const vector &v, T x = 0) { int n = v.size(); for (int i = 0; i < n; i++) cout << v[i] + x << '\n'; } template void err_print(const vector &v, T x = 0) { int n = v.size(); for (int i = 0; i < n; i++) cerr << v[i] + x << ' '; cerr << endl; } template int lb(const vector &v, T x) { return lower_bound(begin(v), end(v), x) - begin(v); } template int ub(const vector &v, T x) { return upper_bound(begin(v), end(v), x) - begin(v); } template void rearrange(vector &v) { sort(begin(v), end(v)); v.erase(unique(begin(v), end(v)), end(v)); } template vector id_sort(const vector &v, bool greater = false) { int n = v.size(); vector ret(n); iota(begin(ret), end(ret), 0); sort(begin(ret), end(ret), [&](int i, int j) { return greater ? v[i] > v[j] : v[i] < v[j]; }); return ret; } template void reorder(vector &a, const vector &ord) { int n = a.size(); vector b(n); for (int i = 0; i < n; i++) b[i] = a[ord[i]]; swap(a, b); } template T floor(T x, T y) { assert(y != 0); if (y < 0) x = -x, y = -y; return (x >= 0 ? x / y : (x - y + 1) / y); } template T ceil(T x, T y) { assert(y != 0); if (y < 0) x = -x, y = -y; return (x >= 0 ? (x + y - 1) / y : x / y); } template pair operator+(const pair &p, const pair &q) { return make_pair(p.first + q.first, p.second + q.second); } template pair operator-(const pair &p, const pair &q) { return make_pair(p.first - q.first, p.second - q.second); } template istream &operator>>(istream &is, pair &p) { S a; T b; is >> a >> b; p = make_pair(a, b); return is; } template ostream &operator<<(ostream &os, const pair &p) { return os << p.first << ' ' << p.second; } struct io_setup { io_setup() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout << fixed << setprecision(15); cerr << fixed << setprecision(15); } } io_setup; constexpr int inf = (1 << 30) - 1; constexpr ll INF = (1LL << 60) - 1; // constexpr int MOD = 1000000007; constexpr int MOD = 998244353; template struct Matrix { vector> A; int n, m; Matrix() = default; Matrix(int n) : A(n, vector(n, 0)), n(n), m(n) {} Matrix(int n, int m) : A(n, vector(m, 0)), n(n), m(m) {} Matrix(const vector> &A) : A(A), n((int)A.size()), m(A.empty() ? 0 : (int)A[0].size()) {} inline const vector &operator[](int k) const { return A[k]; } inline vector &operator[](int k) { return A[k]; } static Matrix I(int l) { Matrix ret(l, l); for (int i = 0; i < l; i++) ret[i][i] = 1; return ret; } Matrix &operator+=(const Matrix &B) { assert(n == B.n && m == B.m); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) A[i][j] += B[i][j]; } return *this; } Matrix &operator-=(const Matrix &B) { assert(n == B.n && m == B.m); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) A[i][j] -= B[i][j]; } return *this; } Matrix &operator*=(const Matrix &B) { assert(m == B.n); Matrix ret(n, B.m); for (int i = 0; i < n; i++) { for (int k = 0; k < m; k++) { for (int j = 0; j < B.m; j++) ret[i][j] += A[i][k] * B[k][j]; } } swap(A, ret.A); m = B.m; return *this; } Matrix &operator/=(const Matrix &B) { *this *= B.inverse(); return *this; } Matrix operator-() const { Matrix ret(n, m); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) ret[i][j] = -A[i][j]; } return ret; } Matrix operator+(const Matrix &B) const { return Matrix(*this) += B; } Matrix operator-(const Matrix &B) const { return Matrix(*this) -= B; } Matrix operator*(const Matrix &B) const { return Matrix(*this) *= B; } Matrix operator/(const Matrix &B) const { return Matrix(*this) /= B; } bool operator==(const Matrix &B) const { return A == B.A; } bool operator!=(const Matrix &B) const { return A != B.A; } Matrix pow(long long k) const { assert(n == m); Matrix now = *this, ret = I(n); for (; k > 0; k >>= 1, now *= now) { if (k & 1) ret *= now; } return ret; } Matrix transpose() const { Matrix ret(m, n); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) ret[j][i] = A[i][j]; } return ret; } Matrix submatrix(vector rs, vector cs) { int sub_n = rs.size(), sub_m = cs.size(); Matrix ret(sub_n, sub_m); for (int i = 0; i < sub_n; i++) { for (int j = 0; j < sub_m; j++) ret[i][j] = A[rs[i]][cs[j]]; } return ret; } Matrix submatrix(int lr, int rr, int lc, int rc) { assert(0 <= lr && lr <= rr && rr <= n); assert(0 <= lc && lc <= rc && rc <= m); int sub_n = rr - lr, sub_m = rc - lc; Matrix ret(sub_n, sub_m); for (int i = 0; i < sub_n; i++) { for (int j = 0; j < sub_m; j++) ret[i][j] = A[lr + i][lc + j]; } return ret; } static bool eq(const T &a, const T &b) { if constexpr (is_float) return abs(a - b) <= 1e-6; return a == b; } int get_pivot(int j, int i) { int pivot = i; for (int k = i + 1; k < n; k++) { if constexpr (is_float) { if (abs(A[k][j]) > abs(A[pivot][j])) pivot = k; } else { if (A[k][j] != 0) pivot = k; } } return pivot; } // 行基本変形を用いて簡約化を行い、(rank, det) の組を返す pair row_reduction(vector &b) { assert((int)b.size() == n); if (n == 0) return make_pair(0, m > 0 ? 0 : 1); int check = 0, rank = 0; T det = (n == m ? 1 : 0); for (int j = 0; j < m; j++) { int pivot = get_pivot(j, check); if (check != pivot) det = -det; swap(A[check], A[pivot]), swap(b[check], b[pivot]); if (eq(A[check][j], T(0))) { det = T(0); continue; } rank++; det *= A[check][j]; T r = T(1) / A[check][j]; for (int k = j + 1; k < m; k++) A[check][k] *= r; b[check] *= r; A[check][j] = T(1); for (int i = 0; i < n; i++) { if (i == check) continue; if (!eq(A[i][j], 0)) { for (int k = j + 1; k < m; k++) A[i][k] -= A[i][j] * A[check][k]; b[i] -= A[i][j] * b[check]; } A[i][j] = T(0); } if (++check == n) break; } return make_pair(rank, det); } pair row_reduction() { vector b(n, T(0)); return row_reduction(b); } int rank() const { return Matrix(*this).row_reduction().first; } T determinant() const { assert(n == m); return Matrix(*this).row_reduction().second; } pair inverse() { if (n != m) return make_pair(false, Matrix(0, 0)); if (n == 0) return make_pair(true, Matrix(0, 0)); vector> A_cpy = A; Matrix ret = I(n); for (int j = 0; j < n; j++) { int pivot = get_pivot(j, j); swap(A[j], A[pivot]), swap(ret[j], ret[pivot]); if (eq(A[j][j], T(0))) return make_pair(false, Matrix(0, 0)); T r = T(1) / A[j][j]; for (int k = j + 1; k < n; k++) A[j][k] *= r; for (int k = 0; k < n; k++) ret[j][k] *= r; A[j][j] = T(1); for (int i = 0; i < n; i++) { if (i == j) continue; if (!eq(A[i][j], T(0))) { for (int k = j + 1; k < n; k++) A[i][k] -= A[i][j] * A[j][k]; for (int k = 0; k < n; k++) ret[i][k] -= A[i][j] * ret[j][k]; } A[i][j] = T(0); } } A = A_cpy; return make_pair(true, ret); } }; template struct Mod_Int { int x; Mod_Int() : x(0) {} Mod_Int(long long y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {} static int get_mod() { return mod; } Mod_Int &operator+=(const Mod_Int &p) { if ((x += p.x) >= mod) x -= mod; return *this; } Mod_Int &operator-=(const Mod_Int &p) { if ((x += mod - p.x) >= mod) x -= mod; return *this; } Mod_Int &operator*=(const Mod_Int &p) { x = (int)(1LL * x * p.x % mod); return *this; } Mod_Int &operator/=(const Mod_Int &p) { *this *= p.inverse(); return *this; } Mod_Int &operator++() { return *this += Mod_Int(1); } Mod_Int operator++(int) { Mod_Int tmp = *this; ++*this; return tmp; } Mod_Int &operator--() { return *this -= Mod_Int(1); } Mod_Int operator--(int) { Mod_Int tmp = *this; --*this; return tmp; } Mod_Int operator-() const { return Mod_Int(-x); } Mod_Int operator+(const Mod_Int &p) const { return Mod_Int(*this) += p; } Mod_Int operator-(const Mod_Int &p) const { return Mod_Int(*this) -= p; } Mod_Int operator*(const Mod_Int &p) const { return Mod_Int(*this) *= p; } Mod_Int operator/(const Mod_Int &p) const { return Mod_Int(*this) /= p; } bool operator==(const Mod_Int &p) const { return x == p.x; } bool operator!=(const Mod_Int &p) const { return x != p.x; } Mod_Int inverse() const { assert(*this != Mod_Int(0)); return pow(mod - 2); } Mod_Int pow(long long k) const { Mod_Int now = *this, ret = 1; for (; k > 0; k >>= 1, now *= now) { if (k & 1) ret *= now; } return ret; } friend ostream &operator<<(ostream &os, const Mod_Int &p) { return os << p.x; } friend istream &operator>>(istream &is, Mod_Int &p) { long long a; is >> a; p = Mod_Int(a); return is; } }; using mint = Mod_Int; using m2 = Mod_Int<2>; using m5 = Mod_Int<5>; void solve() { int K = 6; using mat2 = Matrix; using mat5 = Matrix; mat2 A2(K, K); mat5 A5(K, K); rep(i, K) { string S; cin >> S; rep(j, K) { int x = S[j] - '0'; A2[i][j] = x; A5[i][j] = x; } } int r2 = A2.rank(), r5 = A5.rank(); // cerr << r2 MM r5 << endl; ll ans = 1; rep(i, r2) ans *= 2; rep(i, r5) ans *= 5; cout << ans << '\n'; } int main() { int T = 1; // cin >> T; while (T--) solve(); }