> #include<iostream>
> using namespace std;
> int main()
> {
>     int n,c_n,i,coin=0;
>     while(cin>>n)
>     {
>         if(n==0) break;
>         i=1; coin=0; c_n=n;
>         while(1)
>         {
>             if(n-i<=0) {coin+=n*i; break;}
>             else coin+=i*i;
>             n-=i ;
>             i++;
>         }
>         cout<<c_n<<" "<<coin<<endl;
>     }
>     return 0;
> }