text: #include <iostream>
  #include <stack>
  
  int main(){
  	std::stack<int> my_stack;
  	my_stack.push(12);
  	my_stack.push(19);
  	my_stack.push(11);
  
  	// LIFO
  	while(!my_stack.empty()){
  		std::cout << my_stack.top() << std::endl;
  		my_stack.pop();
  	}
  }
  
  