def skrati_razlomak(razlomak):
    if not len(razlomak) == 2:
        print("Unos je pogresan")
    else:
        x = int(razlomak[0])
        y = int(razlomak[1])
        if not y==0:
          if x>y:
                for d in range(y,1,-1) :
                    if x % d ==0 and y % d==0:
                        x=x/d
                        y=y/d
                print x,"/",y
          else:
                for d in range(x,1,-1):
                    if x % d == 0 and y % d ==0:
                        x=x/d
                        y=y/d
                print x,"/",y
        else:
            print("Djeliti sa 0 nije moguce!")


skrati_razlomak(raw_input("Unesite razlomak koji zelite skratiti u obliku x/y : ").split('/'))