日期

#include<bits/stdc++.h>
using namespace std;
int tans(char *s){
    if(!strcmp(s,"January")){
        return 1;
    }else if(!strcmp(s,"February")){
        return 2;
    }else if(!strcmp(s,"March")){
        return 3;
    }else if(!strcmp(s,"April")){
        return 4;
    }else if(!strcmp(s,"May")){
        return 5;
    }else if(!strcmp(s,"June")){
        return 6;
    }else if(!strcmp(s,"July")){
        return 7;
    }else if(!strcmp(s,"August")){
        return 8;
    }else if(!strcmp(s,"September")){
        return 9;
    }else if(!strcmp(s,"October")){
        return 10;
    }else if(!strcmp(s,"November")){
        return 11;
    }else if(!strcmp(s,"December")){
        return 12;
    }
}
bool isleap(int year){
    if(year%400==0)
        return 1;
    if(year%4==0&&year%100!=0)
        return 1;
    return 0;
}
int main(){
    int t,cnt=0;
    char mm1[20],mm2[20];
    int day1,day2,year1,year2,month1,month2;
    scanf("%d",&t);
    while(t--){
        scanf("%s %d, %d",mm1,&day1,&year1);
        scanf("%s %d, %d",mm2,&day2,&year2);
        month1=tans(mm1);
        month2=tans(mm2);
        if(year2<year1){
            swap(year1,year2);
            swap(month1,month2);
            swap(day1,day2);
        }else if(year1==year2&&month1>month2){
            swap(month1,month2);
            swap(day1,day2);
        }else if(year1==year2&&month1==month2&&day1>day2){
            swap(day1,day2);
        }
//        printf("1]  %d %d %d\n",year1,month1,day1);
//        printf("2]  %d %d %d\n",year2,month2,day2);
        int num2,num1,num;
        num2=year2/400+year2/4-year2/100;
        num1=(year1-1)/400+(year1-1)/4-(year1-1)/100;
        num=num2-num1;
        if(isleap(year2)){
            if(month2==1||month2==2&&day2<29){
                num--;
       //         printf("%d+++++\n",num);
            }
        }
        if(isleap(year1)){
            if(month1>=3){
                num--;
         //       printf("%d-----\n",num);
            }
        }

        printf("Case %d: %d\n",++cnt,num);
    }

    return 0;
}
/*
5
August 12, 2000
August 12, 2005

*/