What is the output of the following stack algorithm? Push(myStack, 2) Push(myStack, 7) Push(myStack, 8) Pop(myStack, item) Push(myStack, 5) Push(myStack, 9) Push(myStack, 1) Pop(myStack, item) Pop(myStack, item) Pop(myStack, item) Push(myStack, item) Push(myStack, item) WHILE(NOT Is emtpy (myStack)) Pop(myStack, item) Write item, ",