#include<bits/stdc++.h>
using namespace std;
#define ll  long long
int main()
{
    string x;
    char c,e;
    ll t,a,b,d,d1,f,i,j,k,l,m,m1,y,y1;
    cin>>t;
    for(i=1; i<=t; i++)
    {
        getline(cin,x);
        scanf("%lld%c%lld%c%lld",&d,&c,&m,&e,&y);
        scanf("%lld%c%lld%c%lld",&d1,&c,&m1,&e,&y1);
        a=y-y1;

        if(m==m1 && d<d1) a=a-1;
        else if(m<m1) a=a-1;

        if(a<0)
            printf("Case #%lld: Invalid birth date\n",i);
        else if(a>130)
            printf("Case #%lld: Check birth date\n",i);
        else
            printf("Case #%lld: %lld\n",i,a);
    }
    return 0;
}