1 #include 
     
       2 #include 
      
        3 using namespace std; 4  5 int main() 6 { 7     //freopen("acm.acm","r",stdin); 8     int n; 9     int k;    10     int sum;11     int mod;12     int tem;13     while(cin>>n>>k)14     {15         sum = 0;16         while(n >= k)17         {18             mod = n % k;19             tem = n / k;20             sum += n - mod;21             n = mod + tem;22         }23         sum += mod + tem;24         cout<
       
        <