procedure main$()$

x : integer

procedure A$($a : integer$)$

y : integer

procedure B$($a : integer$)$

x :$=$ a

procedure C$($x : integer$)$

print x

x :$=$ y $+1$

if x $<100$

A$($x$)$

else

B$($x$)$

$$ body of A

y :$=$ a $\backslash$times a

C$(1)$

$$ body of main

A$(3)$

print x

a$)$ What does this program print assuming static scoping, respectively dynamic scoping? Explain.

b$)$ Show the frames on the stack when B has just been called. For each frame, show the local variables and parameters.