func_code_string: #include <bits/stdc++.h>   int main() {     int a, b;     scanf( %d %d , &a, &b);     int fc, uc, df, sum = 0;     fc = a;     uc = 0;     df = b;     while (1) {       sum += fc;       if (fc == 0 && uc < df) break;       uc += fc;       fc = uc / df;       uc = uc % df;     }     printf( %d n , sum);     return 0;   }   