func_code_string: #include <bits/stdc++.h>   using namespace std;   const int INF = 1e9 + 1;   const long long LINF = 1e18 + 1;   int n;   int X1_1 = 1;   int Y1_1 = 1;   int X2_1 = 2;   int Y2_1 = 2;   int X1_2 = 4;   int Y1_2 = 4;   int X2_2 = 5;   int Y2_2 = 5;   int ask(int x1, int y1, int x2, int y2) {     cout <<  ?   << x1 <<     << y1 <<     << x2 <<     << y2 << endl;     int res;     cin >> res;     return res;   }   int main() {     ios::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     cin >> n;     int lx, rx, ly, ry;     {       int left = 0;       int right = n;       while (right - left > 1) {         int mid = (left + right) / 2;         if (ask(1, 1, mid, n) == 2) {           right = mid;         } else {           left = mid;         }       }       rx = right;     }     {       int left = 1;       int right = n + 1;       while (right - left > 1) {         int mid = (left + right) / 2;         if (ask(mid, 1, n, n) == 2) {           left = mid;         } else {           right = mid;         }       }       lx = left;     }     {       int left = 0;       int right = n;       while (right - left > 1) {         int mid = (left + right) / 2;         if (ask(1, 1, n, mid) == 2) {           right = mid;         } else {           left = mid;         }       }       ry = right;     }     {       int left = 1;       int right = n + 1;       while (right - left > 1) {         int mid = (left + right) / 2;         if (ask(1, mid, n, n) == 2) {           left = mid;         } else {           right = mid;         }       }       ly = left;     }     int bord_x;     {       int left = lx - 1;       int right = rx;       while (right - left > 1) {         int mid = (left + right) / 2;         if (ask(lx, ly, mid, ry) == 1) {           right = mid;         } else {           left = mid;         }       }       bord_x = right;     }     int bord_y;     {       int left = ly - 1;       int right = ry;       while (right - left > 1) {         int mid = (left + right) / 2;         if (ask(lx, ly, rx, mid) == 1) {           right = mid;         } else {           left = mid;         }       }       bord_y = right;     }     if (bord_x == rx || ask(bord_x + 1, ly, rx, ry) != 1) {       if (bord_y == ry || ask(lx, bord_y + 1, rx, ry) != 1) {         assert(false);       }       int y1_1 = ly;       int y2_1 = bord_y;       int x1_1, x2_1;       {         int left = lx - 1;         int right = rx;         while (right - left > 1) {           int mid = (left + right) / 2;           if (ask(lx, y1_1, mid, y2_1) == 1) {             right = mid;           } else {             left = mid;           }         }         x2_1 = right;       }       {         int left = lx;         int right = rx + 1;         while (right - left > 1) {           int mid = (left + right) / 2;           if (ask(mid, y1_1, rx, y2_1) == 1) {             left = mid;           } else {             right = mid;           }         }         x1_1 = left;       }       int y1_2;       int y2_2 = ry;       int x1_2, x2_2;       {         int left = bord_y + 1;         int right = ry + 1;         while (right - left > 1) {           int mid = (left + right) / 2;           if (ask(lx, mid, rx, ry) == 1) {             left = mid;           } else {             right = mid;           }         }         y1_2 = left;       }       {         int left = lx - 1;         int right = rx;         while (right - left > 1) {           int mid = (left + right) / 2;           if (ask(lx, y1_2, mid, y2_2) == 1) {             right = mid;           } else {             left = mid;           }         }         x2_2 = right;       }       {         int left = lx;         int right = rx + 1;         while (right - left > 1) {           int mid = (left + right) / 2;           if (ask(mid, y1_2, rx, y2_2) == 1) {             left = mid;           } else {             right = mid;           }         }         x1_2 = left;       }       cout <<  !   << x1_1 <<     << y1_1 <<     << x2_1 <<     << y2_1 <<                << x1_2 <<     << y1_2 <<     << x2_2 <<     << y2_2 << endl;     } else {       int x1_1 = lx;       int x2_1 = bord_x;       int y1_1, y2_1;       {         int left = ly - 1;         int right = ry;         while (right - left > 1) {           int mid = (left + right) / 2;           if (ask(x1_1, ly, x2_1, mid) == 1) {             right = mid;           } else {             left = mid;           }         }         y2_1 = right;       }       {         int left = ly;         int right = ry + 1;         while (right - left > 1) {           int mid = (left + right) / 2;           if (ask(x1_1, mid, x2_1, ry) == 1) {             left = mid;           } else {             right = mid;           }         }         y1_1 = left;       }       int x1_2;       int x2_2 = rx;       int y1_2, y2_2;       {         int left = bord_x + 1;         int right = rx + 1;         while (right - left > 1) {           int mid = (left + right) / 2;           if (ask(mid, ly, rx, ry) == 1) {             left = mid;           } else {             right = mid;           }         }         x1_2 = left;       }       {         int left = ly - 1;         int right = ry;         while (right - left > 1) {           int mid = (left + right) / 2;           if (ask(x1_2, ly, x2_2, mid) == 1) {             right = mid;           } else {             left = mid;           }         }         y2_2 = right;       }       {         int left = ly;         int right = ry + 1;         while (right - left > 1) {           int mid = (left + right) / 2;           if (ask(x1_2, mid, x2_2, ry) == 1) {             left = mid;           } else {             right = mid;           }         }         y1_2 = left;       }       cout <<  !   << x1_1 <<     << y1_1 <<     << x2_1 <<     << y2_1 <<                << x1_2 <<     << y1_2 <<     << x2_2 <<     << y2_2 << endl;     }     return 0;   }   