#include <iostream>

using namespace std;


// NO MODIFICATIONS BELOW THIS LINE !! (when you send for correction)

int main(int argc, char* argv[])
{
  {
    Copy_Counter a{};
  } // Will print 0
  cout << '-' << endl;
  {
    Copy_Counter a{};
    for (int i{}; i < 10; ++i )
      Copy_Counter loop{a};
  } // Will print 10
  cout << '-' << endl;  
  {
    Copy_Counter a{};
    Copy_Counter b{};
    
    b = a;
  } // Will print 0, 1
  cout << '-' << endl;
  {
    Copy_Counter c1;
    {
      Copy_Counter c2;
      Copy_Counter c3{c1};
      Copy_Counter c4{c2};
      c3 = c4;
      c4 = c1;
      c2 = c4;
    } // Will print 2 since c2 is copied to c4 that's copied to c3
  }// Will print 3, c3 is copied to c1, c4 to c1, c2 to c4
    
  return 0;
}