#define			      q [v+a]
#define			     c b[1]
#define			    O 1 q
#define			   o 0 q
#define			  r(v,a\
)v<0&&(			 v*=-1,		a*=-1);
#define			p(v,m,	    s,w)*c==*#v?2 q\
<m?(c++		       ,d=1,3	   q=0,5      q=m,main\
(a+3,b)		      ,o=o*s	 q,O=O*		 w q):0:
static		     d,v[99	];main		  (int a,
char**b		    ){d=7;     if(*c?!		  (p(+,3
,4 q+O*		   3,4)p(			   -,(o?3
:(O=1,6		  )),4 q			  -O*3,4)
p(*,4,3		 ,4)p(/				  ,5,4,3)
p((),d,		0+3,0+				 04)*c==
')'?2 q	       <02?(c				++,0):0
:(o=012	      *o+*c-			      '0',c++
,O=1)):	     2 q?3-			   2:printf(
"%d/%d"	    "\n",o		       ,O))return
1;d=a,r    (o,d)r		     (O,d)3 q
=o<O?(4	  q=o,O)		   :(4 q=O,
	 o);r(d,		 o)a+=3;O?
				 1:(O=1,2
				q=1);while
				(2 q=o%1 q)a++;v[d]/=O;d[
				v+1]/=O;return main(d,b);}