Answer
$\quad$IF (X .LT. 3) THEN
$\quad$$\quad$A = 2
$\quad$ELSE
$\quad$$\quad$A = 1
$\quad$$\quad$B = 3
$\quad$ENDIF
30 ...
Work Step by Step
$\quad$IF (X .LT. 3) THEN
$\quad$$\quad$A = 2
$\quad$ELSE
$\quad$$\quad$A = 1
$\quad$$\quad$B = 3
$\quad$ENDIF
30 ...