#include<iostream>
using namespace std;
class book{
    public:
    string title;
    string auth;
    book(string t, string a)
    {
        if(t.empty() || a.empty() || t.length() > 100 || a.length() .100)
        title = t;
        auth = a;
    }
    void display()
    {
        cout<<"Title: "<<title<<endl;
        cout<<"Author: "<<auth<<endl;
    }
};
int main(){
    string title,author;
    cin>>title>>author;
    book b(title,author);
    book bc = b;
    b.display();
}