Book Publication Record in C++

#include<iostream.h> 
using namespace std; 
class Publication
{ 
string name; 
int id; 
public: 
void getData()
{ 
cout<<"Enter name:"; 
cin>>name; 
cout<<"\nEnter id:"; 
cin>>id; 
} 
void putData()
{ 
cout<<"\nName is:"; 
cout<<name; 
cout<<"\nid is:"; 
cout<<id; 
} 
}; 
class Book:private Publication
{ 
int pages; 
public: 
void getData()
{ 
Publication::getData(); 
cout<<"\nEnter pages:"; 
cin>>pages; 
} 
void putData()
{ 
Publication::putData(); 
cout<<"\nPages:"; 
cout<<pages; 
} 
}; 
class Tape:private Publication
{ 
float ptime; 
public: 
void getData(){ 
Publication::getData(); 
cout<<"\nEnter ptime"; 
cin>>ptime; 
}
void putData()
{ 
Publication::putData(); 
cout<<ptime; 
} 
}; 
int main(){ 
cout<<"\n----Book----\n"; 
Book b1; 
b1.getData(); 
b1.putData(); 
cout<<"\n---Tap---\n"; 
Tape t1; 
t1.getData(); 
t1.putData(); 
return 0; 
}