func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, a, b;   int x[105], y[105];   int ans;   bool judge(int x1, int x2, int y1, int y2) {     if (x1 + x2 <= a && max(y1, y2) <= b) {       return 1;     }     if (x1 + x2 <= b && max(y1, y2) <= a) {       return 1;     }     if (x1 + y2 <= a && max(y1, x2) <= b) {       return 1;     }     if (x1 + y2 <= b && max(y1, x2) <= a) {       return 1;     }     if (y1 + x2 <= a && max(x1, y2) <= b) {       return 1;     }     if (y1 + x2 <= b && max(x1, y2) <= a) {       return 1;     }     if (y1 + y2 <= a && max(x1, x2) <= b) {       return 1;     }     if (y1 + y2 <= b && max(x1, x2) <= a) {       return 1;     }     return 0;   }   int main() {     int i, j;     cin >> n >> a >> b;     for (i = 1; i <= n; i++) {       cin >> x[i] >> y[i];     }     for (i = 1; i <= n; i++) {       for (j = 1; j < i; j++) {         if (judge(x[i], x[j], y[i], y[j]) == 1) {           ans = max(ans, x[i] * y[i] + x[j] * y[j]);         }       }     }     cout << ans;     return 0;   }   