public int Pop()
{
int element = 0;
Stack lastStack = HelpersForSet.GetLastStack(_arrayOfStacks);
int lengthOfStack = lastStack.GetLength();
if (lengthOfStack > 0)
{
element = lastStack.Pop();
}
else
{
_arrayOfStacks = HelpersForSet.CompresSetOfStacks(_arrayOfStacks);
lastStack = _arrayOfStacks[_arrayOfStacks.Length - 1];
element = lastStack.Pop();
}
return(element);
}
