//g:\victor\vitodef.h

#include <iostream.h>
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <dos.h>
#include <string.h>
#include <math.h>
#include <time.h>
#include <ctype.h>
#define and &&
#define or ||
#define not !
#define isnot !=
#define wait {printf("press any key"); getche(); }