YES

TRS:

  plus(plus(X,Y),Z) -> plus(X,plus(Y,Z))
  times(X,s(Y)) -> plus(X,times(Y,X))

linear polynomial interpretations on N:

  plus_A(x1,x2) = x1 + 1
  plus#_A(x1,x2) = 0
  times_A(x1,x2) = x1 + 1
  times#_A(x1,x2) = x1 + x2
  s_A(x1) = x1 + 1
  s#_A(x1) = 0

precedence:

  plus = times = s