YES

1 decompositions
 #0 -----------
   1: -(+(x,y)) -> +(-(x),-(y))
   2: +(x,y) -> +(y,x)

@Strongly Commuting
--- R
   1: -(+(x,y)) -> +(-(x),-(y))
   2: +(x,y) -> +(y,x)

--- S
   1: -(+(x,y)) -> +(-(x),-(y))
   2: +(x,y) -> +(y,x)