#include <iostream.h>
#include <conio.h>

typedef int absis;
typedef int ordinat;

//Structure Poin & Garis
struct Poin
{
absis x;
ordinat Y;
};


struct Garis
{
Poin A;
Poin B;
};

#define absis(P) (P).x
#define ordinat(P) (P).y
#define ax(G) (G).A.x...