#include <iostream>

using namespace std;

struct Fecha
{
    int y, m, d;

    int getDays()
    {
        return d + m*31 + y*31*12;
    }
};

int main()
{
    int tc;
    string a, b; ///ambas fechas

    cin >> tc;

    for(int i=0; i<tc; i++)
    {
        cin >> a >> b;

        Fecha f1, f2;
        f1.d = (a[0]-'0')*10 + (a[1]-'0');
        f1.m = (a[3]-'0')*10 + (a[4]-'0');
        f1.y = (a[6]-'0')*1000 + (a[7]-'0')*100 + (a[8]-'0')*10 + (a[9]-'0');

        f2.d = (b[0]-'0')*10 + (b[1]-'0');
        f2.m = (b[3]-'0')*10 + (b[4]-'0');
        f2.y = (b[6]-'0')*1000 + (b[7]-'0')*100 + (b[8]-'0')*10 + (b[9]-'0');

        if(f1.getDays() < f2.getDays())
        {
            cout << "Case #" << i+1 << ": Invalid birth date" << endl;
        }
        else
        {
            int age = (f1.y - f2.y - 1 + (f1.m > f2.m || (f1.m == f2.m && f1.d >= f2.d)));

            if(age > 130)
            {
                cout << "Case #" << i+1 << ": Check birth date" << endl;
            }
            else
            {
                cout << "Case #" << i+1 << ": " << age << endl;
            }
        }
    }

    return 0;
}