func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long MOD = 1e9 + 7;   using namespace std;   const long long INF = 1LL << 60;   const double PI = acos(-1);   using ll = long long;   using P = array<ll, 2>;   template <typename T>   istream& operator>>(istream& i, vector<T>& v) {     for (ll j = (0); j < (ll)(v.size()); ++j) i >> v[j];     return i;   }   template <typename T>   string join(vector<T>& v) {     stringstream s;     for (ll i = (0); i < (ll)(v.size()); ++i) s <<     << v[i];     return s.str().substr(1);   }   template <typename T>   ostream& operator<<(ostream& o, vector<T>& v) {     if (v.size()) o << join(v);     return o;   }   template <typename T>   string join(vector<vector<T>>& vv) {     string s =   n ;     for (ll i = (0); i < (ll)(vv.size()); ++i) s += join(vv[i]) +   n ;     return s;   }   template <typename T>   ostream& operator<<(ostream& o, vector<vector<T>>& vv) {     if (vv.size()) o << join(vv);     return o;   }   template <typename T1, typename T2>   istream& operator>>(istream& i, pair<T1, T2>& v) {     return i >> v.first >> v.second;   }   template <typename T1, typename T2>   ostream& operator<<(ostream& o, pair<T1, T2>& v) {     return o <<  (  << v.first <<  ,  << v.second <<  ) ;   }   template <typename T>   istream& operator>>(istream& i, array<T, 2>& v) {     i >> v[0] >> v[1];     return i;   }   template <typename T>   ostream& operator<<(ostream& o, array<T, 2>& v) {     return o <<  (  << v[0] <<  ,  << v[1] <<  ) ;     return o;   }   int dx[4]{0, 1, 0, -1};   int dy[4]{1, 0, -1, 0};   void init_init_init() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     std::cout << fixed << setprecision(10);   }   template <class T>   T up(T a, T b) {     assert(b);     return (a + b - 1) / b;   }   template <typename... A>   bool eq(A const&... a) {     auto t = {a...};     assert(t.size());     auto tar = *t.begin();     for (const auto& e : t)       if (tar != e) return false;     return true;   }   template <class T>   bool chmin(T& a, T b) {     if (a > b) {       a = b;       return true;     }     return false;   }   template <class T>   bool chmax(T& a, T b) {     if (a < b) {       a = b;       return true;     }     return false;   }   template <class T>   bool chmax(T& a, initializer_list<T> l) {     return chmax(a, max(l));   }   template <class T>   bool chmin(T& a, initializer_list<T> l) {     return chmin(a, min(l));   }   int main(int argc, char** argv) {     init_init_init();     ll x1, y1, x2, y2;     cin >> x1 >> y1 >> x2 >> y2;     ll x3, y3, x4, y4;     cin >> x3 >> y3 >> x4 >> y4;     ll x5, y5, x6, y6;     cin >> x5 >> y5 >> x6 >> y6;     x1 *= 2, x2 *= 2, x3 *= 2, x4 *= 2, x5 *= 2, x6 *= 2;     y1 *= 2, y2 *= 2, y3 *= 2, y4 *= 2, y5 *= 2, y6 *= 2;     bool is{false};     for (ll x = x1; x <= x2; x++) {       ll y = y1;       if (!((x3 <= x and x <= x4 and y3 <= y and y <= y4) or             (x5 <= x and x <= x6 and y5 <= y and y <= y6))) {         is = true;       }       y = y2;       if (!((x3 <= x and x <= x4 and y3 <= y and y <= y4) or             (x5 <= x and x <= x6 and y5 <= y and y <= y6))) {         is = true;       }     }     for (ll y = y1; y <= y2; ++y) {       ll x = x1;       if (!((x3 <= x and x <= x4 and y3 <= y and y <= y4) or             (x5 <= x and x <= x6 and y5 <= y and y <= y6))) {         is = true;       }       x = x2;       if (!((x3 <= x and x <= x4 and y3 <= y and y <= y4) or             (x5 <= x and x <= x6 and y5 <= y and y <= y6))) {         is = true;       }     }     auto ok = is;     std::cout << (ok ?  YES  :  NO ) << std::endl;   }   