func_code_string: #include <bits/stdc++.h>   using namespace std;   bool Check(int X1, int Y1, int X2, int Y2, int a, int b) {     bool answ = false;     if (X1 <= a && X2 <= a && Y1 <= b && Y2 <= b)       if (!(X1 + X2 > a) || !(Y1 + Y2 > b)) answ = true;     if (Y1 <= a && X2 <= a && X1 <= b && Y2 <= b)       if (!(Y1 + X2 > a) || !(X1 + Y2 > b)) answ = true;     if (X1 <= a && Y2 <= a && Y1 <= b && X2 <= b)       if (!(X1 + Y2 > a) || !(Y1 + X2 > b)) answ = true;     if (Y1 <= a && Y2 <= a && X1 <= b && X2 <= b)       if (!(Y1 + Y2 > a) || !(X1 + X2 > b)) answ = true;     return answ;   }   int main() {     int n, a, b;     cin >> n >> a >> b;     char XY[n][2];     for (int i = 0; i < n; i++) {       int Xi, Yi;       cin >> Xi >> Yi;       XY[i][0] = Xi;       XY[i][1] = Yi;     }     int maxS = 0;     for (int i = 0; i < n - 1; i++) {       int X1 = XY[i][0];       int Y1 = XY[i][1];       for (int j = i + 1; j < n; j++) {         int X2 = XY[j][0];         int Y2 = XY[j][1];         if (Check(X1, Y1, X2, Y2, a, b) == true) {           maxS = max(maxS, X1 * Y1 + X2 * Y2);         }       }     }     cout << maxS;     return 0;   }   