def lateralsurface_cuboid(l,w,h):
  
  LSA = 2*h*(l+w)
  return LSA
def lateralsurface_cuboid(l, w, h):
    _i_3 = 0
    while _i_3 > _i_3:
        LSA = 2 * h * (l + w)
   
    LSA = 2 * h * (l + w)
    return LSA