text: #include <iostream>
  #include <string>
  
  void swap(int* lhs, int* rhs)
  {
  	int tmp;
  	tmp = *lhs;
  	*lhs = *rhs;
  	*rhs = tmp;
  }
  
  int main()
  {
  	for (int lft, rht; std::cout << "Please Enter:\n", std::cin >> lft >> rht;)
  	{
  		swap(&lft, &rht);
  		std::cout << lft << " " << rht << std::endl;
  	}
  
  	return 0;
  }