#include<iostream>
using namespace std;
class book{
    string t,a;
    public:
    book(string t1,string a1){t=t1;a=a1;}
    book(const book&b){t=b.t;a=b.a;}
    void display(){
        cout<<"title:"<<t<<"\nAuthor"<<a;
    }
};
int main(){
    string t,a;
    cin>>t>>a;
    if(t.empty()||a.empty()||t.length()>100||a.length()>100)
    cout<<"Invalid input";
    else{
        Book b1(t,a),b2=b1;
        b2.display();
    }
}