#include "stdafx.h"
class Triad{
public:
int a;
int b;
int c;
Triad(){ a = 0; b = 0; c = 0; }
void increment_a(){ a++; }
void increment_b(){ b++; }
void increment_c(){ c++; }
void show(){
cout << a << " " << b << " " << c << endl;
}
};
class Date :public Triad{
private:
int year;
int month;
int day;
public:
};
int _tmain(int argc, _TCHAR* argv[])
{
Date D;
D.increment_a();
D.show();
return 0;
}