// Student.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"

#include <iostream>
#include <conio.h>

using namespace std;

class stack
{

friend stack &operator*=( stack &a_stack, int value );

private:
    int size;
    int* data;
    size_t ptr;
public:
       stack(int valid_stack_size) {
        this->size = valid_stack_size;
        this->ptr = 0;
        this->data = new int[valid_stack_size]();
    }
 
    ~stack() {
        delete[] this->data;
    }
 
    void push(int value) {
        if (this->ptr >= (size_t)this->size)
            throw "stack is full\n";
        this->data[this->ptr++] = value;
    }
 
    int pop() {
        if (this->ptr == 0)
            throw "stack is empty";
        return this->data[--this->ptr];
    }

    size_t getSize() const { return ptr; }

};

stack &operator*=( stack &a_stack, int value )
{
    if (a_stack.ptr == 0)
        throw "stack is empty";
    a_stack.data[a_stack.ptr-1] *= value;
    return a_stack;
}

stack &operator +(stack &a_stack, int a_value)
{
    a_stack.push(a_value);
    return a_stack;
}

int main() {



	int k=0;
    stack* f=new stack(10);

    (*f) = (*f) + 1 + 2;
    (*f) *= 3;

    a:
	cout<<"Enter number\t";
	int n=0;
    cin>>n;
	if (n!=00)
	{f->push(n);
	k++;
	if (k<10)
	goto a;
	else 
	cout<<"stack is full\n";}

	do
    {
        cout << f->pop() << "  ";
    }
    while ( f->getSize() > 0 );

    cout << endl;

    _getch();

    return 0;
}
int _tmain(int argc, _TCHAR* argv[])
{
	return 0;
}