#include<bits/stdc++.h>
#define pi acos(-1.0)
using namespace std;
int main()
{
long long int i,j,k,l,m,n,test;
double angle,a,b,slice,rad,d,len,wide,rat;
char ch;
cin>>test;
for(k=1;k<=test;k++)
{
cin>>a>>ch;
cin>>b;
rad=sqrt(((a/2.0)*(a/2.0))+((b/2.0)*(b/2.0)));
angle=acos((2.0*rad*rad-b*b)/(2.0*rad*rad));
slice=rad*angle;
rat=400.0/(2.0*(a)+2.0*slice);
len=a*rat;
wide=b*rat;
printf("Case %lld: %.8f %.8f\n",k,len,wide);
}
return 0;
}
#define pi acos(-1.0)
using namespace std;
int main()
{
long long int i,j,k,l,m,n,test;
double angle,a,b,slice,rad,d,len,wide,rat;
char ch;
cin>>test;
for(k=1;k<=test;k++)
{
cin>>a>>ch;
cin>>b;
rad=sqrt(((a/2.0)*(a/2.0))+((b/2.0)*(b/2.0)));
angle=acos((2.0*rad*rad-b*b)/(2.0*rad*rad));
slice=rad*angle;
rat=400.0/(2.0*(a)+2.0*slice);
len=a*rat;
wide=b*rat;
printf("Case %lld: %.8f %.8f\n",k,len,wide);
}
return 0;
}
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