#include <iostream>
#include <fstream>

using namespace std;

class MyException
{
 public:
  string messg ;
  MyException( string str1 )
   {
     messg = str1 ;
     cout << "MyException: constructor: " << messg << endl ;
   }

  MyException( const MyException& obj1 )
   {
     messg = obj1.messg  ;
     cout << "MyException: copy constructor: " << messg << endl ;
   }

   ~MyException(  )
    {
      cout << "MyException: destructor: " << messg << endl ;
	}
};

int main()
{
	 try
	  {
		MyException  error1("Error 1:")  ;
		throw MyException("Error 2:") ;
	  }
	 catch ( MyException error2 )
	  {
		cout << error2.messg   << endl ;
	  }
	cout << "Step 1:" << endl ;

    try
     {
     		throw MyException("Error 3:") ;
	 }
	catch(  MyException& error3 )
	 {
		cout << error3.messg   << endl ;
	 }

  cout << "Step 2:" << endl ;

 return 0;

}