func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long t, n, g, b;     cin >> t;     while (t--) {       cin >> n >> g >> b;       long long val = (n + 1) / 2;       long long total = val / g;       long long sum = total * g;       if (val % g) {         total++;       }       total--;       sum += (b * total);       sum += (val % g);       if (sum <= n)         cout << n << endl;       else         cout << sum << endl;     }     return 0;   }   