// Gender.h declares enumeration Gender and prototypes its operations
// Author:
// Date:
///
#include <iostream>
using namespace std;
// replace this line with the declaration of enum Gender
// replace this line with the prototype of operator>>
// replace this line with the prototype of operator<<
// replace this line with the prototype of operator++ (prefix)
// replace this line with the prototype of operator++ (postfix)
// replace this line with the prototype of operator-- (prefix)
// replace this line with the prototype of operator-- (postfix)