N=int(input())
A=list(map(int, input().split()))
B=list(map(int, input().split()))
L,R=[],[]
e=0
for i in range(N):
  e+=abs(A[i]-B[i])
  if A[i]>B[i]:
    L.append(i)
  elif A[i]<B[i]:
    R.append(i)
ans=[]
L=sorted(L)
R=sorted(R)[::-1]
print(e)
for l in L:
  d=abs(A[l]-B[l])
  for i in range(d):
    print(l+1,'L')
for r in R:
  d=abs(A[r]-B[r])
  for i in range(d):
    print(r+1,'R')