// includes #include using namespace std; // macros #define pb emplace_back #define mk make_pair #define FOR(i, a, b) for(int i=(a);i<(b);++i) #define rep(i, n) FOR(i, 0, n) #define rrep(i, n) for(int i=((int)(n)-1);i>=0;i--) #define irep(itr, st) for(auto itr = (st).begin(); itr != (st).end(); ++itr) #define irrep(itr, st) for(auto itr = (st).rbegin(); itr != (st).rend(); ++itr) #define all(x) (x).begin(),(x).end() #define sz(x) ((int)(x).size()) #define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end()) #define bit(n) (1LL<<(n)) // functions template bool chmax(T &a, const T &b){if(a < b){a = b; return 1;} return 0;} template bool chmin(T &a, const T &b){if(a > b){a = b; return 1;} return 0;} template istream &operator>>(istream &is, vector &vec){for(auto &v: vec)is >> v; return is;} template ostream &operator<<(ostream &os, const vector& vec){for(int i = 0; i < vec.size(); i++){ os << vec[i]; if(i + 1 != vec.size())os << " ";} return os;} template ostream &operator<<(ostream &os, const set& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;} template ostream &operator<<(ostream &os, const unordered_set& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;} template ostream &operator<<(ostream &os, const multiset& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;} template ostream &operator<<(ostream &os, const unordered_multiset& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;} template ostream &operator<<(ostream &os, const pair &p){os << p.first << " " << p.second; return os;} template ostream &operator<<(ostream &os, const map &mp){for(auto itr = mp.begin(); itr != mp.end(); ++itr){ os << itr->first << ":" << itr->second; auto titr = itr; if(++titr != mp.end())os << " "; } return os;} template ostream &operator<<(ostream &os, const unordered_map &mp){for(auto itr = mp.begin(); itr != mp.end(); ++itr){ os << itr->first << ":" << itr->second; auto titr = itr; if(++titr != mp.end())os << " "; } return os;} // types using ll = long long int; using P = pair; // constants const int inf = 1e9; const ll linf = 1LL << 50; const double EPS = 1e-10; const int mod = 1000000007; const int dx[4] = {-1, 0, 1, 0}; const int dy[4] = {0, -1, 0, 1}; // io struct fast_io{ fast_io(){ios_base::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(20);} } fast_io_; ll dpu1[1<<4][20010], dpu2[1<<3][20010]; ll dpd1[1<<4][20010], dpd2[1<<3][20010]; int main(int argc, char const* argv[]) { ll amin[7], amax[7]; rep(i, 7)cin >> amin[i] >> amax[i]; dpd1[0][0] = 1; for(int i = 1; i <= 20000; i++){ for(int j = 0; j < bit(4); j++){ dpd1[j][i] = dpd1[j][i-1]; for(int k = 0; k < 4; k++){ if((j >> k) & 1 && amin[2*k] <= i && i <= amax[2*k]){ (dpd1[j][i] += dpd1[j - bit(k)][i-1]) %= mod; } } } } dpd2[0][0] = 1; for(int i = 1; i <= 20000; i++){ for(int j = 0; j < bit(3); j++){ dpd2[j][i] = dpd2[j][i-1]; for(int k = 0; k < 3; k++){ if((j >> k) & 1 && amin[2*k+1] <= i && i <= amax[2*k+1]){ (dpd2[j][i] += dpd2[j - bit(k)][i-1]) %= mod; } } } } dpu1[0][20001] = 1; for(int i = 20000; i > 0; i--){ for(int j = 0; j < bit(4); j++){ dpu1[j][i] = dpu1[j][i+1]; for(int k = 0; k < 4; k++){ if((j >> k) & 1 && amin[2*k] <= i && i <= amax[2*k]){ (dpu1[j][i] += dpu1[j - bit(k)][i+1]) %= mod; } } } } dpu2[0][20001] = 1; for(int i = 20000; i > 0; i--){ for(int j = 0; j < bit(3); j++){ dpu2[j][i] = dpu2[j][i+1]; for(int k = 0; k < 3; k++){ if((j >> k) & 1 && amin[2*k+1] <= i && i <= amax[2*k+1]){ (dpu2[j][i] += dpu2[j - bit(k)][i+1]) %= mod; } } } } ll res = 0; for(int x = 1; x <= 20000; x++){ ll tmp = (dpu1[15][x] - dpu1[15][x+1]) * dpd2[7][x-1] % mod; res = (res + tmp) % mod; tmp = (dpd1[15][x] - dpd1[15][x-1]) * dpu2[7][x+1] % mod; res = (res + tmp) % mod; } if(res < 0)res += mod; cout << res << endl; return 0; }