#include<bits/stdc++.h>
using namespace std;



int main()
{
    int m1,m2,t,i,k,j,y1,ans,y2;
    char a[20],b[20];
    cin>>t;
    for(i=1;i<=t;i++)
    {
        scanf("%s %d,%d",a,&m1,&y1);
      //  getchar();
        scanf("%s %d,%d",b,&m2,&y2);
        if(a[0]=='J'&&a[1]=='a')
            y1--;
        if(a[0]=='F')
            y1--;
        if(b[0]=='J'&&b[1]=='a')
            y2--;
        if(b[0]=='F'&&m2<29)
            y2--;
        ans=((y2/4-y1/4)-(y2/100-y1/100)+(y2/400-y1/400));
        cout<<"Case "<<i<<": "<<ans<<endl;
    }
    return 0;
}