Circle getMaxCircle(StackOfCircles &stack)
{
    StackOfCircles temp;
    Circle maxCircle;
    maxCircle.setRadius(-1);
    while (!stack.isEmpty())
    {
        temp.push(stack.pop());
        if (temp.peek().getRadius() > maxCircle.getRadius())
        {
            maxCircle = temp.peek();
        }
    }
    while (!temp.isEmpty())
    {
        if (temp.peek().getRadius() == maxCircle.getRadius())
        {
            maxCircle = temp.pop();
        }
        else
        {
            stack.push(temp.pop());
            cout << stack.peek().getRadius() << endl;
        }
    }
    return maxCircle;
}