#include <iostream>
    using namespace std;
    class Example
    {
        private:
        int* K;
        int L;
        public:
        Example (int L);
        ~Example ();
        int& operator [] (int num);
    };
    int& Example::operator [] (int num)
    {
        return K[num];
    }
    Example::Example (int L)
    {
        K = new int [L];
        L = L;
    }
    Example::~Example ()
    {
        delete [] K;
    }
    int main ()
    {
        Example obj (10);
        obj [0] = 15;
        obj [1] = 10;
        obj [2] = 35;
        obj [3] = 30;
        for (int num = 0; num < 5; ++ num)
        cout << obj [num] <<" ";
        return 0;
    }