#define VAR                              1
#define ASSIGN                           2
#define SEMCOL                           3
#define PLUS                             4
#define MINUS                            5
#define UNIT                             6
#define DIVIDE                           7
#define MULT                             8
#define ENDS                             9
#define VALUE                           10
#define PARENL                          11
#define PARENR                          12
