Print out the stack at every change at the beginning and the end also

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begintabularcccc hline Operator Operandi Operand2 Result hline b c z
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begintabularcccc hline Operator Operandi Operand2 Result hline b c z
Rated 5.00 out of 5
Waived! Original price was: $15.00.Current price is: $10.00. Add to cart

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