func_code_string: #include <bits/stdc++.h>   using namespace std;   struct CC {     long long x1, x2, y1, y2;   };   CC jiao(CC a, CC b) {     CC c1;     c1.x1 = max(a.x1, b.x1);     c1.y1 = max(a.y1, b.y1);     c1.x2 = min(a.x2, b.x2);     c1.y2 = min(a.y2, b.y2);     return c1;   }   int main() {     CC w, b1, b2;     cin >> w.x1 >> w.y1 >> w.x2 >> w.y2 >> b1.x1 >> b1.y1 >> b1.x2 >> b1.y2 >>         b2.x1 >> b2.y1 >> b2.x2 >> b2.y2;     CC j1 = jiao(w, b1);     CC j2 = jiao(w, b2);     CC j3 = jiao(j1, j2);     long long s, s1, s2, s3;     s = (w.x2 - w.x1) * (w.y2 - w.y1);     if (j1.x1 > j1.x2 || j1.y1 > j1.y2)       s1 = 0;     else       s1 = (j1.x2 - j1.x1) * (j1.y2 - j1.y1);     if (j2.x1 > j2.x2 || j2.y1 > j2.y2)       s2 = 0;     else       s2 = (j2.x2 - j2.x1) * (j2.y2 - j2.y1);     if (j3.x1 > j3.x2 || j3.y1 > j3.y2)       s3 = 0;     else       s3 = (j3.x2 - j3.x1) * (j3.y2 - j3.y1);     if (s1 + s2 - s3 == s)       cout <<  NO  << endl;     else       cout <<  YES  << endl;     return 0;   }   