func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long c, hr, hb, wr, wb;     cin >> c >> hr >> hb >> wr >> wb;     long long res = 0;     for (long long w = 0; w < 2; ++w) {       for (long long i = 0; i * wr <= c && i <= 10000000; ++i) {         res = max(res, i * hr + hb * ((c - i * wr) / wb));       }       swap(hb, hr);       swap(wb, wr);     }     cout << res <<   n ;     return 0;   }   