YES(?,O(n^1))

Problem:
 +(*(x,y),*(a(),y)) -> *(+(x,a()),y)
 *(*(x,y),z) -> *(x,*(y,z))

Proof:
 Bounds Processor:
  bound: 0
  enrichment: match
  automaton:
   final states: {3,2}
   transitions:
    +0(1,1) -> 2*
    *0(1,1) -> 3*
    a0() -> 1*
  problem:
   
  Qed