// ÁÖ°£¿ë 3¹ø ¹®Á¦
#include <stdio.h>
#define NIL (0)
class Person {
public:
	int val;
	Person(int v) {
		val = v;
	}
	virtual void doingX(Person *a,Person *b,Person *c = NIL,Person *d = NIL) = 0;
	void print() {
		printf("%d\n",val);
	}
};
class Man : public Person {
public:
	Man(int v) : Person(v) {}
	virtual void doingX(Person *a,Person *b,Person *c = NIL,Person *d = NIL) {
		a->val = a->val + 2; b->val = b->val + 2;
		if (c != NIL) {
			c->doingX(this,a);
		}
	}
};
class Woman : public Person {
public:
	Woman(int v) : Person(v) {}
	virtual void doingX(Person *a,Person *b,Person *c = NIL,Person *d = NIL) {
		a->val = a->val - 1; b->val = b->val - 1;
		if (c != NIL) {
			c->doingX(this,a);
		}
	}
};
void main()
{
	int data[5] = { 0, 1, 2, 3, 4 };
	Man* p0 = new Man(data[0]); 
	Woman* p1 = new Woman(data[1]); 
	Man* p2 = new Man(data[2]); 
	Woman* p3 = new Woman(data[3]); 
	Man* p4 = new Man(data[4]);
	p0->doingX(p1,p2,p3,p4);
	p0->print();
	p1->print();
	p2->print();
	p3->print();
	p4->print();
}