#include<iostream>
using namespace std;
class Student{

    int age;

  public :

      /// default constructor
      Student (){
         cout<<"Construtor called "<<endl;
      }

      /// parametersied constructor
      Student(int r){
          cout<<"Constructor 2 called"<<endl;
         rollNumber = r;
      }

      int rollNumber;

    void display(){
       cout<<age<<" "<<rollNumber<<endl;
    }

    int getAge(){
      return age;
    }
    void setAge(int a){
       age = a;
    }
};