#include <bits/stdc++.h>
using namespace std;
int main()
{
long long int d1,d2,y1,y2,i,j,k,l,n,t,x,y,z,u,w;
string m1,m2;;
char c;
//freopen("1414in.txt","r",stdin);
//freopen("1414out.txt","w",stdout);
cin>>t;
for(i=1;i<=t;i++)
{
cin>>m1>>d1>>c>>y1;
cin>>m2>>d2>>c>>y2;
l=0;
if(m1=="January" || m1=="February")
{
y1=y1; //include that year
}
else
{
y1++; //exclude that year
}
if(m2=="January" || (m2=="February" && d2<29))
{
y2--; //exclude that year
}
y=(y2/4)-((y1-1)/4);
z=(y2/100)-((y1-1)/100);
w=(y2/400)-((y1-1)/400);
l=(y-z+w);
cout<<"Case "<<i<<": "<<l<<endl;
}
return 0;
}
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