// STL stack demo

#include <stack>
#include <iostream>
using namespace std;

int main()
{
    stack <int> stackExample;

    stackExample.push(51);
    stackExample.push(23);
    stackExample.push(19);
    stackExample.push(60);
 
    cout << "size = " << stackExample.size() << endl;

    while (stackExample.size() != 0)
    {
        cout << stackExample.top() << " ";
        stackExample.pop();
    }

    if (stackExample.empty())
	{
        cout << endl << "The stack is empty" << endl;
	}

    return 0;
}// end of main