#include<iostream>
#include<string>
using namespace std;
class Book{
    public:
    string title,author;
    Book(string t,string a)
    {
        title=t;
        author=a;
    }
    Book(const Book&b)
    {
        title=b.title;
        author=b.author;
    }
    void display()
    {
    cout<<"Title: "<<title<<endl;
    cout<<"Author: "<<author<<endl;
    }
};
int main()
{
    string title,author;
    cin>>title>>author;
    Book b1(title,author);
    Book b2=b1;
    if(title.length<1&&title.length>100 || author.length<1&&author.length>100)
    {
    b2.display();
    }
    else{
        cout<<"Invalid input"<<endl;
    }
    return 0;
}