$2.$ What is the output of following program using both Static and Dynamic scoping?

begin

integer x$,$ y;

function sub$1$;

begin

print $("$y in sub$1=",$ y$)$;

end;

function sub$2($y: integer$)$;

begin

print $("$x in sub$2=",$ x$)$;

print $("$y in sub$2=",$ y$)$;

sub$1$;

end;

sub$2(2)$;

x: $=10$;

y: $=5$;

print $("$y in main $=",$ y$)$;

sub$1$;

end;