#include 
#include 
using namespace std;

class MyBuffer
{
private:
   int* myNums;
   unsigned int bufLength;

public:
   MyBuffer(unsigned int length)
   {
      bufLength = length;
      myNums = new int[length]; // allocate memory
   }

   int& operator[] (unsigned int index)
   {
      return myNums[index];
   }

   // const version will be used by const instances of MyBuffer
   const int& operator[] (unsigned int index) const
   {
      return myNums[index];
   }

   MyBuffer(const MyBuffer& src) 
   {
      cout