write c++ code

1.Student Evaluation using Inheritance Stepl: Create a class studentpersonal declare rollno, age, name, sex in protected mode. Step2. Using a parameterized constructor initialize the values for all the data members Step 3: Create another class studentmark that is inherited from the base class and having the data members markl, mark2, mark3 and mark4. Using a parameterized constructor initialize the value for mark L.mark2 mark3 and mark4. Step 4: Create another class call studentsports and declare score as protected mode. Step 5: Create a class studentresult and public inherited form studentmarks and studentsports having the data members total, avg.grade Step6: Calculate the total and average and display the result