Consider the following snippet of code:

What will the code produce as output when it is run?

#include

#include

int main$()$

$\{$ std::stackstackClass;

stackClass.push$("$John$")$;

stackClass.push$("$Peter$")$;

stackClass.push$("$Mary$")$;

while $(!$stackClass.empty$())$

$\{$std::cout $$