#include<iostream>
using namespace std;
class person
{
protected:
int id;
char name[10];
public:
void read()
{
cout<<"\n enter id and name:";
cin>>id>>name;
}
void show()
{
cout<<"\n id="<<id;
cout<<"\n name="<<name;
}
};
class stu :public person
{
private:
int marks;
public:
void read1()
{
read();
cout<<"\n marks="<<marks;
cin>>marks;
}
void show1()
{
show();
cout<<"\n marks="<<marks;
}
};
class emp : public person
{
private:
float sal;
public:
void read1()
{
read();
cout<<"\n enter salary:";
cin>>sal;
}
void show1()
{
show();
cout<<"\n salary="<<sal;
}
};
int main()
{
person p;
p.read();
p.show();
stu s;
s.read1();
s.show1();
emp e;
e.read1();
e.show1();
}