{測試常表達式優化}

program aa

type  t1=integer;
var   t1  v1,v2;
      integer a,b,c;
char  o1;
procedure p(integer x; var integer y);

begin
    x:=x+1 ;
    y:=y+1 
end
begin
   v1:=10;
   v2:=26;
   a:=1;
   b:=a+1;
   a:=c;
   c:=b+5;
   
   p(a,b);
   if  v2 < 3*(4+5)
   then   v2:= v2+1
   else 
	write(o1)	 	 
   fi
end.