func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, b, p;     cin >> n >> b >> p;     int m = n;     long long int nb = 0;     while (n > 1) {       for (int i = 8; i >= 0; i--) {         if (pow(2, i) <= n) {           nb += b * pow(2, i) + pow(2, i) / 2;           n = n - (pow(2, i)) + pow(2, i) / 2;           break;         }       }     }     cout << nb <<     << m * p;     return 0;   }   