#include <iostream>
using namespace std;

int main()
{
      int T,totle;
      cin>>T;
      totle=T;
      while(T--)
    {   int n,m,sun=0;
          cin>>n>>m;
       for(int i=n;i<=m;i++)
      {
        for(int k=0;k<=m;k++)
        {
            if(k*k==i)
            sun+=i;
        }

      }
       cout<<"Case "<<totle-T<<": "<<sun<<endl;

    }

}