#include<stdio.h>
#include<stdlib.h>
int main()
{
int T;
scanf("%d",&T);
for(int i=0;i<T;i++)
{
int Dc,Mc,Yc,Db,Mb,Yb;
scanf("%d/%d/%d%d/%d/%d",&Dc,&Mc,&Yc,&Db,&Mb,&Yb);
if((Dc-Db)<0)
Mc--;
if((Mc-Mb)<0)
Yc--;
if((Yc-Yb)<0)
printf("Case #%d: Invalid birth date\n",i+1);
else if((Yc-Yb)>130)
printf("Case #%d: Check birth date\n",i+1);
else
printf("Case #%d: %d\n",i+1,Yc-Yb);
}
return 0;
}
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