VAR:	3
INT:	4
REAL:	5
STRING:	6
BOOL:	7
ARRAY:	8
OF:	9
KWBEGIN:	10
END:	11
READ:	12
WRITE:	13
WRITELN:	14
IF:	15
THEN:	16
ELSE:	17
WHILE:	18
DO:	19
RETURN:	20