typedef char* Item;
#define digit(A, B) A[B]
#define R 256
#define bytesword 5

#define less(A, B)  (strcmp(A, B) < 0)
#define exch(A, B) { Item t = A; A = B; B = t; } 
#define compexch(A, B) if (less(A, B)) exch(A, B)
#define IENN 16

Item ITEMrand(void);
 int ITEMscan(Item *);
void ITEMshow(Item);