EXECUTE:if_statments

1_example

 ...
 IF (A>B) THEN TEXT `A > B'
 IF (A=B) THEN TEXT `A = B'
 IF (A<B) THEN TEXT `A < B'
 ...

2_example

 ...
 IF (A>B) THEN
  ...
 ENDIF
 ...

3_example

 ...
 START2:
 IF (J<=8) THEN 
  ...
  J=J+1
  GOTO START2
 ENDIF
 ...