class INPUT:
  def __init__(self):
    self._l=open(0).read().split()
    self._length=len(self._l)
    self._index=0
    return

  def stream(self,k=1,f=int,f2=False):
    assert(-1<k)
    if self._length==self._index or self._length-self._index<k:
      raise Exception("There is no input!")
    elif f!=str:
      if k==0:
        ret=list(map(f,self._l[self._index:]))
        self._index=self._length
        return ret
      if k==1 and not f2:
        ret=f(self._l[self._index])
        self._index+=1
        return ret
      if k==1 and f2:
        ret=[f(self._l[self._index])]
        self._index+=1
        return ret
      ret=[]
      for _ in [0]*k:
        ret.append(f(self._l[self._index]))
        self._index+=1
      return ret
    else:
      if k==0:
        ret=list(self._l[self._index:])
        self._index=self._length
        return ret
      if k==1 and not f2:
        ret=self._l[self._index]
        self._index+=1
        return ret
      if k==1 and f2:
        ret=[self._l[self._index]]
        self._index+=1
        return ret
      ret=[]
      for _ in [0]*k:
        ret.append(self._l[self._index])
        self._index+=1
      return ret
pin=INPUT().stream

#pin(number[default:1],f[default:int],f2[default:False])
#if number==0 -> return left all
#listを変数で受け取るとき、必ずlistをTrueにすること。

def main():
  N=pin(1)
  A=pin(N,int,1)
  B=pin(N,int,1)
  ans=0
  ansl=[]
  C=[]
  # [L*R*] の区間でわける
  tmp=[[],[]]
  fl=-1
  for i in range(N):
    ans+=abs(A[i]-B[i])
    if A[i]==B[i]:
      if (tmp[0] or tmp[1]):
        C.append(tmp)
        tmp=[[],[]]
    elif A[i]<B[i]:
      # R
      if fl==-1:
        fl=0
      elif fl==0:
        pass
      else:
        fl=0
      tmp[1].append(i)
    else:
      # L
      if fl==-1:
        fl=1
      elif fl==1:
        pass
      else:
        fl=1
        C.append(tmp)
        tmp=[[],[]]
      tmp[0].append(i)
  if tmp[0] or tmp[1]:
    C.append(tmp)
  #print(C)
  for L,R in C:
    for i in L:
      ansl.append((f"{i+1} L\n"*(A[i]-B[i])).rstrip("\n"))
    for i in R[::-1]:
      ansl.append((f"{i+1} R\n"*(B[i]-A[i])).rstrip("\n"))
  print(ans)
  if ansl:
    print(*ansl,sep="\n")
  return

main()